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Finding the Third Proportional to 87,987,611 and 133,113,887

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Solution

The third proportional to 87,987,611 and 133,113,887 is: 201,384,112.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,987,611 : 133,113,887 = 133,113,887 : x
  2. Step 2: Convert to fraction form
    87,987,611/133,113,887 = 133,113,887/x
  3. Step 3: Cross multiply
    87,987,611x = 133,113,887 × 133,113,887
  4. Step 4: Simplify right side
    87,987,611x = 17,719,306,912,248,768
  5. Step 5: Solve for x
    x = 17,719,306,912,248,768/87,987,611
  6. Step 6: Final answer
    x = 201,384,112.05

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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.