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Finding the Third Proportional to 28,181,395.13 and 43,635,693.94

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Solution

The third proportional to 28,181,395.13 and 43,635,693.94 is: 67,564,922.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181,395.13 : 43,635,693.94 = 43,635,693.94 : x
  2. Step 2: Convert to fraction form
    28,181,395.13/43,635,693.94 = 43,635,693.94/x
  3. Step 3: Cross multiply
    28,181,395.13x = 43,635,693.94 × 43,635,693.94
  4. Step 4: Simplify right side
    28,181,395.13x = 1,904,073,785,407,174.25
  5. Step 5: Solve for x
    x = 1,904,073,785,407,174.25/28,181,395.13
  6. Step 6: Final answer
    x = 67,564,922.78

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.