Home / 337,638-720,474

Finding the Third Proportional to 337,638 and 720,474

Calculator

Solution

The third proportional to 337,638 and 720,474 is: 1,537,394.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,638 : 720,474 = 720,474 : x
  2. Step 2: Convert to fraction form
    337,638/720,474 = 720,474/x
  3. Step 3: Cross multiply
    337,638x = 720,474 × 720,474
  4. Step 4: Simplify right side
    337,638x = 519,082,784,676
  5. Step 5: Solve for x
    x = 519,082,784,676/337,638
  6. Step 6: Final answer
    x = 1,537,394.44

Related Problems

Find third proportional to 168,819 and 360,237
Half scale
Find third proportional to 675,276 and 1,440,948
Double scale
Find third proportional to 337,640 and 720,478
Similar ratio
Find third proportional to 506,457 and 1,080,711
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.