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Finding the Third Proportional to 7,328 and 14,291.50

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Solution

The third proportional to 7,328 and 14,291.50 is: 27,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328 : 14,291.50 = 14,291.50 : x
  2. Step 2: Convert to fraction form
    7,328/14,291.50 = 14,291.50/x
  3. Step 3: Cross multiply
    7,328x = 14,291.50 × 14,291.50
  4. Step 4: Simplify right side
    7,328x = 204,246,972.25
  5. Step 5: Solve for x
    x = 204,246,972.25/7,328
  6. Step 6: Final answer
    x = 27,872.13

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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.