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Finding the Third Proportional to 1,543.19 and 3,333.18

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Solution

The third proportional to 1,543.19 and 3,333.18 is: 7,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543.19 : 3,333.18 = 3,333.18 : x
  2. Step 2: Convert to fraction form
    1,543.19/3,333.18 = 3,333.18/x
  3. Step 3: Cross multiply
    1,543.19x = 3,333.18 × 3,333.18
  4. Step 4: Simplify right side
    1,543.19x = 11,110,099.85
  5. Step 5: Solve for x
    x = 11,110,099.85/1,543.19
  6. Step 6: Final answer
    x = 7,199.43

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.