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Finding the Third Proportional to 12,096 and 15,750

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Solution

The third proportional to 12,096 and 15,750 is: 20,507.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096 : 15,750 = 15,750 : x
  2. Step 2: Convert to fraction form
    12,096/15,750 = 15,750/x
  3. Step 3: Cross multiply
    12,096x = 15,750 × 15,750
  4. Step 4: Simplify right side
    12,096x = 248,062,500
  5. Step 5: Solve for x
    x = 248,062,500/12,096
  6. Step 6: Final answer
    x = 20,507.81

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.