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Finding the Third Proportional to 1,230.19 and 3,348.84

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Solution

The third proportional to 1,230.19 and 3,348.84 is: 9,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230.19 : 3,348.84 = 3,348.84 : x
  2. Step 2: Convert to fraction form
    1,230.19/3,348.84 = 3,348.84/x
  3. Step 3: Cross multiply
    1,230.19x = 3,348.84 × 3,348.84
  4. Step 4: Simplify right side
    1,230.19x = 11,214,754.46
  5. Step 5: Solve for x
    x = 11,214,754.46/1,230.19
  6. Step 6: Final answer
    x = 9,116.30

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Why These Related Problems?

These problems maintain the same ratio (2.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.