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Finding the Third Proportional to 87,987,613 and 133,113,890

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Solution

The third proportional to 87,987,613 and 133,113,890 is: 201,384,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,987,613 : 133,113,890 = 133,113,890 : x
  2. Step 2: Convert to fraction form
    87,987,613/133,113,890 = 133,113,890/x
  3. Step 3: Cross multiply
    87,987,613x = 133,113,890 × 133,113,890
  4. Step 4: Simplify right side
    87,987,613x = 17,719,307,710,932,100
  5. Step 5: Solve for x
    x = 17,719,307,710,932,100/87,987,613
  6. Step 6: Final answer
    x = 201,384,116.55

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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.