Home / 454,750-688,469

Finding the Third Proportional to 454,750 and 688,469

Calculator

Solution

The third proportional to 454,750 and 688,469 is: 1,042,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,750 : 688,469 = 688,469 : x
  2. Step 2: Convert to fraction form
    454,750/688,469 = 688,469/x
  3. Step 3: Cross multiply
    454,750x = 688,469 × 688,469
  4. Step 4: Simplify right side
    454,750x = 473,989,563,961
  5. Step 5: Solve for x
    x = 473,989,563,961/454,750
  6. Step 6: Final answer
    x = 1,042,308.00

Related Problems

Find third proportional to 227,375 and 344,234.50
Half scale
Find third proportional to 909,500 and 1,376,938
Double scale
Find third proportional to 454,752 and 688,472
Similar ratio
Find third proportional to 682,125 and 1,032,703.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.