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Finding the Third Proportional to 84,744 and 124,520

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Solution

The third proportional to 84,744 and 124,520 is: 182,965.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,744 : 124,520 = 124,520 : x
  2. Step 2: Convert to fraction form
    84,744/124,520 = 124,520/x
  3. Step 3: Cross multiply
    84,744x = 124,520 × 124,520
  4. Step 4: Simplify right side
    84,744x = 15,505,230,400
  5. Step 5: Solve for x
    x = 15,505,230,400/84,744
  6. Step 6: Final answer
    x = 182,965.52

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.