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Finding the Third Proportional to 27,291 and 57,498

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Solution

The third proportional to 27,291 and 57,498 is: 121,139.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,291 : 57,498 = 57,498 : x
  2. Step 2: Convert to fraction form
    27,291/57,498 = 57,498/x
  3. Step 3: Cross multiply
    27,291x = 57,498 × 57,498
  4. Step 4: Simplify right side
    27,291x = 3,306,020,004
  5. Step 5: Solve for x
    x = 3,306,020,004/27,291
  6. Step 6: Final answer
    x = 121,139.57

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.