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Finding the Third Proportional to 82,330 and 124,651

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Solution

The third proportional to 82,330 and 124,651 is: 188,726.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,330 : 124,651 = 124,651 : x
  2. Step 2: Convert to fraction form
    82,330/124,651 = 124,651/x
  3. Step 3: Cross multiply
    82,330x = 124,651 × 124,651
  4. Step 4: Simplify right side
    82,330x = 15,537,871,801
  5. Step 5: Solve for x
    x = 15,537,871,801/82,330
  6. Step 6: Final answer
    x = 188,726.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.