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Finding the Third Proportional to 10,280.25 and 15,392.25

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Solution

The third proportional to 10,280.25 and 15,392.25 is: 23,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.25 : 15,392.25 = 15,392.25 : x
  2. Step 2: Convert to fraction form
    10,280.25/15,392.25 = 15,392.25/x
  3. Step 3: Cross multiply
    10,280.25x = 15,392.25 × 15,392.25
  4. Step 4: Simplify right side
    10,280.25x = 236,921,360.06
  5. Step 5: Solve for x
    x = 236,921,360.06/10,280.25
  6. Step 6: Final answer
    x = 23,046.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.