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Finding the Third Proportional to 65,640.38 and 92,886.75

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Solution

The third proportional to 65,640.38 and 92,886.75 is: 131,442.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,640.38 : 92,886.75 = 92,886.75 : x
  2. Step 2: Convert to fraction form
    65,640.38/92,886.75 = 92,886.75/x
  3. Step 3: Cross multiply
    65,640.38x = 92,886.75 × 92,886.75
  4. Step 4: Simplify right side
    65,640.38x = 8,627,948,325.56
  5. Step 5: Solve for x
    x = 8,627,948,325.56/65,640.38
  6. Step 6: Final answer
    x = 131,442.70

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.