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Finding the Third Proportional to 3,726 and 9,135

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Solution

The third proportional to 3,726 and 9,135 is: 22,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726 : 9,135 = 9,135 : x
  2. Step 2: Convert to fraction form
    3,726/9,135 = 9,135/x
  3. Step 3: Cross multiply
    3,726x = 9,135 × 9,135
  4. Step 4: Simplify right side
    3,726x = 83,448,225
  5. Step 5: Solve for x
    x = 83,448,225/3,726
  6. Step 6: Final answer
    x = 22,396.20

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Why These Related Problems?

These problems maintain the same ratio (2.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.