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Finding the Third Proportional to 80,858,862.88 and 132,021,270.25

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Solution

The third proportional to 80,858,862.88 and 132,021,270.25 is: 215,556,034.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,858,862.88 : 132,021,270.25 = 132,021,270.25 : x
  2. Step 2: Convert to fraction form
    80,858,862.88/132,021,270.25 = 132,021,270.25/x
  3. Step 3: Cross multiply
    80,858,862.88x = 132,021,270.25 × 132,021,270.25
  4. Step 4: Simplify right side
    80,858,862.88x = 17,429,615,798,423,536
  5. Step 5: Solve for x
    x = 17,429,615,798,423,536/80,858,862.88
  6. Step 6: Final answer
    x = 215,556,034.04

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.