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Finding the Third Proportional to 21,945,781.88 and 47,754,908.25

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Solution

The third proportional to 21,945,781.88 and 47,754,908.25 is: 103,916,610.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,945,781.88 : 47,754,908.25 = 47,754,908.25 : x
  2. Step 2: Convert to fraction form
    21,945,781.88/47,754,908.25 = 47,754,908.25/x
  3. Step 3: Cross multiply
    21,945,781.88x = 47,754,908.25 × 47,754,908.25
  4. Step 4: Simplify right side
    21,945,781.88x = 2,280,531,261,965,918
  5. Step 5: Solve for x
    x = 2,280,531,261,965,918/21,945,781.88
  6. Step 6: Final answer
    x = 103,916,610.26

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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.