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Finding the Third Proportional to 11,252 and 18,750

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Solution

The third proportional to 11,252 and 18,750 is: 31,244.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,252 : 18,750 = 18,750 : x
  2. Step 2: Convert to fraction form
    11,252/18,750 = 18,750/x
  3. Step 3: Cross multiply
    11,252x = 18,750 × 18,750
  4. Step 4: Simplify right side
    11,252x = 351,562,500
  5. Step 5: Solve for x
    x = 351,562,500/11,252
  6. Step 6: Final answer
    x = 31,244.45

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.