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Finding the Third Proportional to 55,532 and 85,893

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Solution

The third proportional to 55,532 and 85,893 is: 132,853.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,532 : 85,893 = 85,893 : x
  2. Step 2: Convert to fraction form
    55,532/85,893 = 85,893/x
  3. Step 3: Cross multiply
    55,532x = 85,893 × 85,893
  4. Step 4: Simplify right side
    55,532x = 7,377,607,449
  5. Step 5: Solve for x
    x = 7,377,607,449/55,532
  6. Step 6: Final answer
    x = 132,853.26

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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.