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Finding the Third Proportional to 7,344.50 and 14,320

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Solution

The third proportional to 7,344.50 and 14,320 is: 27,920.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344.50 : 14,320 = 14,320 : x
  2. Step 2: Convert to fraction form
    7,344.50/14,320 = 14,320/x
  3. Step 3: Cross multiply
    7,344.50x = 14,320 × 14,320
  4. Step 4: Simplify right side
    7,344.50x = 205,062,400
  5. Step 5: Solve for x
    x = 205,062,400/7,344.50
  6. Step 6: Final answer
    x = 27,920.54

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.