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Finding the Third Proportional to 9,287 and 14,388

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Solution

The third proportional to 9,287 and 14,388 is: 22,290.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287 : 14,388 = 14,388 : x
  2. Step 2: Convert to fraction form
    9,287/14,388 = 14,388/x
  3. Step 3: Cross multiply
    9,287x = 14,388 × 14,388
  4. Step 4: Simplify right side
    9,287x = 207,014,544
  5. Step 5: Solve for x
    x = 207,014,544/9,287
  6. Step 6: Final answer
    x = 22,290.79

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.