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Finding the Third Proportional to 1,214.57 and 1,933.58

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Solution

The third proportional to 1,214.57 and 1,933.58 is: 3,078.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214.57 : 1,933.58 = 1,933.58 : x
  2. Step 2: Convert to fraction form
    1,214.57/1,933.58 = 1,933.58/x
  3. Step 3: Cross multiply
    1,214.57x = 1,933.58 × 1,933.58
  4. Step 4: Simplify right side
    1,214.57x = 3,738,734.87
  5. Step 5: Solve for x
    x = 3,738,734.87/1,214.57
  6. Step 6: Final answer
    x = 3,078.24

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.