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Finding the Third Proportional to 18,131,325.50 and 39,418,127.50

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Solution

The third proportional to 18,131,325.50 and 39,418,127.50 is: 85,696,369.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131,325.50 : 39,418,127.50 = 39,418,127.50 : x
  2. Step 2: Convert to fraction form
    18,131,325.50/39,418,127.50 = 39,418,127.50/x
  3. Step 3: Cross multiply
    18,131,325.50x = 39,418,127.50 × 39,418,127.50
  4. Step 4: Simplify right side
    18,131,325.50x = 1,553,788,775,606,256.25
  5. Step 5: Solve for x
    x = 1,553,788,775,606,256.25/18,131,325.50
  6. Step 6: Final answer
    x = 85,696,369.83

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.