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Finding the Third Proportional to 106,427.25 and 158,715

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Solution

The third proportional to 106,427.25 and 158,715 is: 236,691.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,427.25 : 158,715 = 158,715 : x
  2. Step 2: Convert to fraction form
    106,427.25/158,715 = 158,715/x
  3. Step 3: Cross multiply
    106,427.25x = 158,715 × 158,715
  4. Step 4: Simplify right side
    106,427.25x = 25,190,451,225
  5. Step 5: Solve for x
    x = 25,190,451,225/106,427.25
  6. Step 6: Final answer
    x = 236,691.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.