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Finding the Third Proportional to 125,159.25 and 193,680

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Solution

The third proportional to 125,159.25 and 193,680 is: 299,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,159.25 : 193,680 = 193,680 : x
  2. Step 2: Convert to fraction form
    125,159.25/193,680 = 193,680/x
  3. Step 3: Cross multiply
    125,159.25x = 193,680 × 193,680
  4. Step 4: Simplify right side
    125,159.25x = 37,511,942,400
  5. Step 5: Solve for x
    x = 37,511,942,400/125,159.25
  6. Step 6: Final answer
    x = 299,713.70

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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.