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Finding the Third Proportional to 10,600 and 16,540

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Solution

The third proportional to 10,600 and 16,540 is: 25,808.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,600 : 16,540 = 16,540 : x
  2. Step 2: Convert to fraction form
    10,600/16,540 = 16,540/x
  3. Step 3: Cross multiply
    10,600x = 16,540 × 16,540
  4. Step 4: Simplify right side
    10,600x = 273,571,600
  5. Step 5: Solve for x
    x = 273,571,600/10,600
  6. Step 6: Final answer
    x = 25,808.64

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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.