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Finding the Third Proportional to 7,713 and 10,340

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Solution

The third proportional to 7,713 and 10,340 is: 13,861.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713 : 10,340 = 10,340 : x
  2. Step 2: Convert to fraction form
    7,713/10,340 = 10,340/x
  3. Step 3: Cross multiply
    7,713x = 10,340 × 10,340
  4. Step 4: Simplify right side
    7,713x = 106,915,600
  5. Step 5: Solve for x
    x = 106,915,600/7,713
  6. Step 6: Final answer
    x = 13,861.74

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.