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Finding the Third Proportional to 87,987,612 and 133,113,888

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Solution

The third proportional to 87,987,612 and 133,113,888 is: 201,384,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,987,612 : 133,113,888 = 133,113,888 : x
  2. Step 2: Convert to fraction form
    87,987,612/133,113,888 = 133,113,888/x
  3. Step 3: Cross multiply
    87,987,612x = 133,113,888 × 133,113,888
  4. Step 4: Simplify right side
    87,987,612x = 17,719,307,178,476,544
  5. Step 5: Solve for x
    x = 17,719,307,178,476,544/87,987,612
  6. Step 6: Final answer
    x = 201,384,112.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.