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Finding the Third Proportional to 207,663 and 454,638

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Solution

The third proportional to 207,663 and 454,638 is: 995,342.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,663 : 454,638 = 454,638 : x
  2. Step 2: Convert to fraction form
    207,663/454,638 = 454,638/x
  3. Step 3: Cross multiply
    207,663x = 454,638 × 454,638
  4. Step 4: Simplify right side
    207,663x = 206,695,711,044
  5. Step 5: Solve for x
    x = 206,695,711,044/207,663
  6. Step 6: Final answer
    x = 995,342.03

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.