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Finding the Third Proportional to 87,282 and 127,514

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Solution

The third proportional to 87,282 and 127,514 is: 186,290.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,282 : 127,514 = 127,514 : x
  2. Step 2: Convert to fraction form
    87,282/127,514 = 127,514/x
  3. Step 3: Cross multiply
    87,282x = 127,514 × 127,514
  4. Step 4: Simplify right side
    87,282x = 16,259,820,196
  5. Step 5: Solve for x
    x = 16,259,820,196/87,282
  6. Step 6: Final answer
    x = 186,290.65

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.