Home / 516,340-743,672

Finding the Third Proportional to 516,340 and 743,672

Calculator

Solution

The third proportional to 516,340 and 743,672 is: 1,071,092.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,340 : 743,672 = 743,672 : x
  2. Step 2: Convert to fraction form
    516,340/743,672 = 743,672/x
  3. Step 3: Cross multiply
    516,340x = 743,672 × 743,672
  4. Step 4: Simplify right side
    516,340x = 553,048,043,584
  5. Step 5: Solve for x
    x = 553,048,043,584/516,340
  6. Step 6: Final answer
    x = 1,071,092.78

Related Problems

Find third proportional to 258,170 and 371,836
Half scale
Find third proportional to 1,032,680 and 1,487,344
Double scale
Find third proportional to 516,342 and 743,675
Similar ratio
Find third proportional to 774,510 and 1,115,508
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.