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Finding the Third Proportional to 122,448 and 185,520

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Solution

The third proportional to 122,448 and 185,520 is: 281,079.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,448 : 185,520 = 185,520 : x
  2. Step 2: Convert to fraction form
    122,448/185,520 = 185,520/x
  3. Step 3: Cross multiply
    122,448x = 185,520 × 185,520
  4. Step 4: Simplify right side
    122,448x = 34,417,670,400
  5. Step 5: Solve for x
    x = 34,417,670,400/122,448
  6. Step 6: Final answer
    x = 281,079.89

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.