Home / 120,182-278,214

Finding the Third Proportional to 120,182 and 278,214

Calculator

Solution

The third proportional to 120,182 and 278,214 is: 644,048.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,182 : 278,214 = 278,214 : x
  2. Step 2: Convert to fraction form
    120,182/278,214 = 278,214/x
  3. Step 3: Cross multiply
    120,182x = 278,214 × 278,214
  4. Step 4: Simplify right side
    120,182x = 77,403,029,796
  5. Step 5: Solve for x
    x = 77,403,029,796/120,182
  6. Step 6: Final answer
    x = 644,048.44

Related Problems

Find third proportional to 60,091 and 139,107
Half scale
Find third proportional to 240,364 and 556,428
Double scale
Find third proportional to 120,184 and 278,219
Similar ratio
Find third proportional to 180,273 and 417,321
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.