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Finding the Third Proportional to 142,754 and 187,764

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Solution

The third proportional to 142,754 and 187,764 is: 246,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,754 : 187,764 = 187,764 : x
  2. Step 2: Convert to fraction form
    142,754/187,764 = 187,764/x
  3. Step 3: Cross multiply
    142,754x = 187,764 × 187,764
  4. Step 4: Simplify right side
    142,754x = 35,255,319,696
  5. Step 5: Solve for x
    x = 35,255,319,696/142,754
  6. Step 6: Final answer
    x = 246,965.55

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.