Home / 278,138,023-579,165,638

Finding the Third Proportional to 278,138,023 and 579,165,638

Calculator

Solution

The third proportional to 278,138,023 and 579,165,638 is: 1,205,994,177.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,138,023 : 579,165,638 = 579,165,638 : x
  2. Step 2: Convert to fraction form
    278,138,023/579,165,638 = 579,165,638/x
  3. Step 3: Cross multiply
    278,138,023x = 579,165,638 × 579,165,638
  4. Step 4: Simplify right side
    278,138,023x = 335,432,836,239,947,072
  5. Step 5: Solve for x
    x = 335,432,836,239,947,072/278,138,023
  6. Step 6: Final answer
    x = 1,205,994,177.36

Related Problems

Find third proportional to 139,069,011.50 and 289,582,819
Half scale
Find third proportional to 556,276,046 and 1,158,331,276
Double scale
Find third proportional to 278,138,025 and 579,165,642
Similar ratio
Find third proportional to 417,207,034.50 and 868,748,457
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.