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Finding the Third Proportional to 34,122 and 51,713

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Solution

The third proportional to 34,122 and 51,713 is: 78,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,122 : 51,713 = 51,713 : x
  2. Step 2: Convert to fraction form
    34,122/51,713 = 51,713/x
  3. Step 3: Cross multiply
    34,122x = 51,713 × 51,713
  4. Step 4: Simplify right side
    34,122x = 2,674,234,369
  5. Step 5: Solve for x
    x = 2,674,234,369/34,122
  6. Step 6: Final answer
    x = 78,372.73

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.