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Finding the Third Proportional to 4,147,737.75 and 9,055,270.13

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Solution

The third proportional to 4,147,737.75 and 9,055,270.13 is: 19,769,310.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147,737.75 : 9,055,270.13 = 9,055,270.13 : x
  2. Step 2: Convert to fraction form
    4,147,737.75/9,055,270.13 = 9,055,270.13/x
  3. Step 3: Cross multiply
    4,147,737.75x = 9,055,270.13 × 9,055,270.13
  4. Step 4: Simplify right side
    4,147,737.75x = 81,997,917,036,717.52
  5. Step 5: Solve for x
    x = 81,997,917,036,717.52/4,147,737.75
  6. Step 6: Final answer
    x = 19,769,310.88

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.