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Finding the Third Proportional to 4,543,728 and 9,693,660

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Solution

The third proportional to 4,543,728 and 9,693,660 is: 20,680,605.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543,728 : 9,693,660 = 9,693,660 : x
  2. Step 2: Convert to fraction form
    4,543,728/9,693,660 = 9,693,660/x
  3. Step 3: Cross multiply
    4,543,728x = 9,693,660 × 9,693,660
  4. Step 4: Simplify right side
    4,543,728x = 93,967,044,195,600
  5. Step 5: Solve for x
    x = 93,967,044,195,600/4,543,728
  6. Step 6: Final answer
    x = 20,680,605.04

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.