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Finding the Third Proportional to 34,291 and 51,531

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Solution

The third proportional to 34,291 and 51,531 is: 77,438.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,291 : 51,531 = 51,531 : x
  2. Step 2: Convert to fraction form
    34,291/51,531 = 51,531/x
  3. Step 3: Cross multiply
    34,291x = 51,531 × 51,531
  4. Step 4: Simplify right side
    34,291x = 2,655,443,961
  5. Step 5: Solve for x
    x = 2,655,443,961/34,291
  6. Step 6: Final answer
    x = 77,438.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.