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Finding the Third Proportional to 27,712 and 61,255

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Solution

The third proportional to 27,712 and 61,255 is: 135,398.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,712 : 61,255 = 61,255 : x
  2. Step 2: Convert to fraction form
    27,712/61,255 = 61,255/x
  3. Step 3: Cross multiply
    27,712x = 61,255 × 61,255
  4. Step 4: Simplify right side
    27,712x = 3,752,175,025
  5. Step 5: Solve for x
    x = 3,752,175,025/27,712
  6. Step 6: Final answer
    x = 135,398.93

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.