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Finding the Third Proportional to 9,351 and 12,214.50

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Solution

The third proportional to 9,351 and 12,214.50 is: 15,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,351 : 12,214.50 = 12,214.50 : x
  2. Step 2: Convert to fraction form
    9,351/12,214.50 = 12,214.50/x
  3. Step 3: Cross multiply
    9,351x = 12,214.50 × 12,214.50
  4. Step 4: Simplify right side
    9,351x = 149,194,010.25
  5. Step 5: Solve for x
    x = 149,194,010.25/9,351
  6. Step 6: Final answer
    x = 15,954.87

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.