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Finding the Third Proportional to 7,388 and 11,250

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Solution

The third proportional to 7,388 and 11,250 is: 17,130.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388 : 11,250 = 11,250 : x
  2. Step 2: Convert to fraction form
    7,388/11,250 = 11,250/x
  3. Step 3: Cross multiply
    7,388x = 11,250 × 11,250
  4. Step 4: Simplify right side
    7,388x = 126,562,500
  5. Step 5: Solve for x
    x = 126,562,500/7,388
  6. Step 6: Final answer
    x = 17,130.82

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.