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Finding the Third Proportional to 80,858,862 and 132,021,269

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Solution

The third proportional to 80,858,862 and 132,021,269 is: 215,556,032.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,858,862 : 132,021,269 = 132,021,269 : x
  2. Step 2: Convert to fraction form
    80,858,862/132,021,269 = 132,021,269/x
  3. Step 3: Cross multiply
    80,858,862x = 132,021,269 × 132,021,269
  4. Step 4: Simplify right side
    80,858,862x = 17,429,615,468,370,360
  5. Step 5: Solve for x
    x = 17,429,615,468,370,360/80,858,862
  6. Step 6: Final answer
    x = 215,556,032.29

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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.