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Finding the Third Proportional to 34,311 and 51,549

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Solution

The third proportional to 34,311 and 51,549 is: 77,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,311 : 51,549 = 51,549 : x
  2. Step 2: Convert to fraction form
    34,311/51,549 = 51,549/x
  3. Step 3: Cross multiply
    34,311x = 51,549 × 51,549
  4. Step 4: Simplify right side
    34,311x = 2,657,299,401
  5. Step 5: Solve for x
    x = 2,657,299,401/34,311
  6. Step 6: Final answer
    x = 77,447.45

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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.