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Finding the Third Proportional to 27,331 and 59,306

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Solution

The third proportional to 27,331 and 59,306 is: 128,689.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,331 : 59,306 = 59,306 : x
  2. Step 2: Convert to fraction form
    27,331/59,306 = 59,306/x
  3. Step 3: Cross multiply
    27,331x = 59,306 × 59,306
  4. Step 4: Simplify right side
    27,331x = 3,517,201,636
  5. Step 5: Solve for x
    x = 3,517,201,636/27,331
  6. Step 6: Final answer
    x = 128,689.09

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.