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Finding the Third Proportional to 7,172 and 9,525

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Solution

The third proportional to 7,172 and 9,525 is: 12,649.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172 : 9,525 = 9,525 : x
  2. Step 2: Convert to fraction form
    7,172/9,525 = 9,525/x
  3. Step 3: Cross multiply
    7,172x = 9,525 × 9,525
  4. Step 4: Simplify right side
    7,172x = 90,725,625
  5. Step 5: Solve for x
    x = 90,725,625/7,172
  6. Step 6: Final answer
    x = 12,649.98

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.