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Finding the Third Proportional to 55,488 and 125,520

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Solution

The third proportional to 55,488 and 125,520 is: 283,940.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,488 : 125,520 = 125,520 : x
  2. Step 2: Convert to fraction form
    55,488/125,520 = 125,520/x
  3. Step 3: Cross multiply
    55,488x = 125,520 × 125,520
  4. Step 4: Simplify right side
    55,488x = 15,755,270,400
  5. Step 5: Solve for x
    x = 15,755,270,400/55,488
  6. Step 6: Final answer
    x = 283,940.14

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.