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Finding the Third Proportional to 87,546 and 135,537

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Solution

The third proportional to 87,546 and 135,537 is: 209,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,546 : 135,537 = 135,537 : x
  2. Step 2: Convert to fraction form
    87,546/135,537 = 135,537/x
  3. Step 3: Cross multiply
    87,546x = 135,537 × 135,537
  4. Step 4: Simplify right side
    87,546x = 18,370,278,369
  5. Step 5: Solve for x
    x = 18,370,278,369/87,546
  6. Step 6: Final answer
    x = 209,835.72

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.