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Finding the Third Proportional to 721,444.50 and 1,387,593

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Solution

The third proportional to 721,444.50 and 1,387,593 is: 2,668,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,444.50 : 1,387,593 = 1,387,593 : x
  2. Step 2: Convert to fraction form
    721,444.50/1,387,593 = 1,387,593/x
  3. Step 3: Cross multiply
    721,444.50x = 1,387,593 × 1,387,593
  4. Step 4: Simplify right side
    721,444.50x = 1,925,414,333,649
  5. Step 5: Solve for x
    x = 1,925,414,333,649/721,444.50
  6. Step 6: Final answer
    x = 2,668,832.23

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.