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Finding the Third Proportional to 10,357 and 15,525

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Solution

The third proportional to 10,357 and 15,525 is: 23,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,357 : 15,525 = 15,525 : x
  2. Step 2: Convert to fraction form
    10,357/15,525 = 15,525/x
  3. Step 3: Cross multiply
    10,357x = 15,525 × 15,525
  4. Step 4: Simplify right side
    10,357x = 241,025,625
  5. Step 5: Solve for x
    x = 241,025,625/10,357
  6. Step 6: Final answer
    x = 23,271.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.