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Finding the Third Proportional to 10,154.25 and 15,360.75

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Solution

The third proportional to 10,154.25 and 15,360.75 is: 23,236.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.25 : 15,360.75 = 15,360.75 : x
  2. Step 2: Convert to fraction form
    10,154.25/15,360.75 = 15,360.75/x
  3. Step 3: Cross multiply
    10,154.25x = 15,360.75 × 15,360.75
  4. Step 4: Simplify right side
    10,154.25x = 235,952,640.56
  5. Step 5: Solve for x
    x = 235,952,640.56/10,154.25
  6. Step 6: Final answer
    x = 23,236.84

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.