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Finding the Third Proportional to 87,987,531 and 133,113,749

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Solution

The third proportional to 87,987,531 and 133,113,749 is: 201,383,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,987,531 : 133,113,749 = 133,113,749 : x
  2. Step 2: Convert to fraction form
    87,987,531/133,113,749 = 133,113,749/x
  3. Step 3: Cross multiply
    87,987,531x = 133,113,749 × 133,113,749
  4. Step 4: Simplify right side
    87,987,531x = 17,719,270,172,835,000
  5. Step 5: Solve for x
    x = 17,719,270,172,835,000/87,987,531
  6. Step 6: Final answer
    x = 201,383,877.60

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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.