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Finding the Third Proportional to 56,671.50 and 85,017

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Solution

The third proportional to 56,671.50 and 85,017 is: 127,540.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,671.50 : 85,017 = 85,017 : x
  2. Step 2: Convert to fraction form
    56,671.50/85,017 = 85,017/x
  3. Step 3: Cross multiply
    56,671.50x = 85,017 × 85,017
  4. Step 4: Simplify right side
    56,671.50x = 7,227,890,289
  5. Step 5: Solve for x
    x = 7,227,890,289/56,671.50
  6. Step 6: Final answer
    x = 127,540.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.