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Finding the Third Proportional to 10,520 and 16,364

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Solution

The third proportional to 10,520 and 16,364 is: 25,454.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520 : 16,364 = 16,364 : x
  2. Step 2: Convert to fraction form
    10,520/16,364 = 16,364/x
  3. Step 3: Cross multiply
    10,520x = 16,364 × 16,364
  4. Step 4: Simplify right side
    10,520x = 267,780,496
  5. Step 5: Solve for x
    x = 267,780,496/10,520
  6. Step 6: Final answer
    x = 25,454.42

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.