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Finding the Third Proportional to 1,972.50 and 4,344

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Solution

The third proportional to 1,972.50 and 4,344 is: 9,566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.50 : 4,344 = 4,344 : x
  2. Step 2: Convert to fraction form
    1,972.50/4,344 = 4,344/x
  3. Step 3: Cross multiply
    1,972.50x = 4,344 × 4,344
  4. Step 4: Simplify right side
    1,972.50x = 18,870,336
  5. Step 5: Solve for x
    x = 18,870,336/1,972.50
  6. Step 6: Final answer
    x = 9,566.71

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.