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Finding the Third Proportional to 125,988 and 187,356

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Solution

The third proportional to 125,988 and 187,356 is: 278,615.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,988 : 187,356 = 187,356 : x
  2. Step 2: Convert to fraction form
    125,988/187,356 = 187,356/x
  3. Step 3: Cross multiply
    125,988x = 187,356 × 187,356
  4. Step 4: Simplify right side
    125,988x = 35,102,270,736
  5. Step 5: Solve for x
    x = 35,102,270,736/125,988
  6. Step 6: Final answer
    x = 278,615.99

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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.