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Finding the Third Proportional to 27,687,432 and 59,632,872

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Solution

The third proportional to 27,687,432 and 59,632,872 is: 128,436,592.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,687,432 : 59,632,872 = 59,632,872 : x
  2. Step 2: Convert to fraction form
    27,687,432/59,632,872 = 59,632,872/x
  3. Step 3: Cross multiply
    27,687,432x = 59,632,872 × 59,632,872
  4. Step 4: Simplify right side
    27,687,432x = 3,556,079,422,968,384
  5. Step 5: Solve for x
    x = 3,556,079,422,968,384/27,687,432
  6. Step 6: Final answer
    x = 128,436,592.57

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.