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Finding the Third Proportional to 125,680 and 179,144

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Solution

The third proportional to 125,680 and 179,144 is: 255,351.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,680 : 179,144 = 179,144 : x
  2. Step 2: Convert to fraction form
    125,680/179,144 = 179,144/x
  3. Step 3: Cross multiply
    125,680x = 179,144 × 179,144
  4. Step 4: Simplify right side
    125,680x = 32,092,572,736
  5. Step 5: Solve for x
    x = 32,092,572,736/125,680
  6. Step 6: Final answer
    x = 255,351.47

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.