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Finding the Third Proportional to 454,604 and 681,906

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Solution

The third proportional to 454,604 and 681,906 is: 1,022,859

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,604 : 681,906 = 681,906 : x
  2. Step 2: Convert to fraction form
    454,604/681,906 = 681,906/x
  3. Step 3: Cross multiply
    454,604x = 681,906 × 681,906
  4. Step 4: Simplify right side
    454,604x = 464,995,792,836
  5. Step 5: Solve for x
    x = 464,995,792,836/454,604
  6. Step 6: Final answer
    x = 1,022,859

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.