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Finding the Third Proportional to 10,227.75 and 15,480

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Solution

The third proportional to 10,227.75 and 15,480 is: 23,429.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,227.75 : 15,480 = 15,480 : x
  2. Step 2: Convert to fraction form
    10,227.75/15,480 = 15,480/x
  3. Step 3: Cross multiply
    10,227.75x = 15,480 × 15,480
  4. Step 4: Simplify right side
    10,227.75x = 239,630,400
  5. Step 5: Solve for x
    x = 239,630,400/10,227.75
  6. Step 6: Final answer
    x = 23,429.43

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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.