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Finding the Third Proportional to 7,716 and 13,314

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Solution

The third proportional to 7,716 and 13,314 is: 22,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716 : 13,314 = 13,314 : x
  2. Step 2: Convert to fraction form
    7,716/13,314 = 13,314/x
  3. Step 3: Cross multiply
    7,716x = 13,314 × 13,314
  4. Step 4: Simplify right side
    7,716x = 177,262,596
  5. Step 5: Solve for x
    x = 177,262,596/7,716
  6. Step 6: Final answer
    x = 22,973.38

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Why These Related Problems?

These problems maintain the same ratio (1.73) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.