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Finding the Third Proportional to 17,542 and 27,774

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Solution

The third proportional to 17,542 and 27,774 is: 43,974.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,542 : 27,774 = 27,774 : x
  2. Step 2: Convert to fraction form
    17,542/27,774 = 27,774/x
  3. Step 3: Cross multiply
    17,542x = 27,774 × 27,774
  4. Step 4: Simplify right side
    17,542x = 771,395,076
  5. Step 5: Solve for x
    x = 771,395,076/17,542
  6. Step 6: Final answer
    x = 43,974.18

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.