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Finding the Third Proportional to 9,240 and 12,625

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Solution

The third proportional to 9,240 and 12,625 is: 17,250.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240 : 12,625 = 12,625 : x
  2. Step 2: Convert to fraction form
    9,240/12,625 = 12,625/x
  3. Step 3: Cross multiply
    9,240x = 12,625 × 12,625
  4. Step 4: Simplify right side
    9,240x = 159,390,625
  5. Step 5: Solve for x
    x = 159,390,625/9,240
  6. Step 6: Final answer
    x = 17,250.07

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.