Home / 316,026-688,860

Finding the Third Proportional to 316,026 and 688,860

Calculator

Solution

The third proportional to 316,026 and 688,860 is: 1,501,547.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,026 : 688,860 = 688,860 : x
  2. Step 2: Convert to fraction form
    316,026/688,860 = 688,860/x
  3. Step 3: Cross multiply
    316,026x = 688,860 × 688,860
  4. Step 4: Simplify right side
    316,026x = 474,528,099,600
  5. Step 5: Solve for x
    x = 474,528,099,600/316,026
  6. Step 6: Final answer
    x = 1,501,547.66

Related Problems

Find third proportional to 158,013 and 344,430
Half scale
Find third proportional to 632,052 and 1,377,720
Double scale
Find third proportional to 316,028 and 688,864
Similar ratio
Find third proportional to 474,039 and 1,033,290
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.