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Finding the Third Proportional to 1,147.92 and 1,957.92

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Solution

The third proportional to 1,147.92 and 1,957.92 is: 3,339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147.92 : 1,957.92 = 1,957.92 : x
  2. Step 2: Convert to fraction form
    1,147.92/1,957.92 = 1,957.92/x
  3. Step 3: Cross multiply
    1,147.92x = 1,957.92 × 1,957.92
  4. Step 4: Simplify right side
    1,147.92x = 3,833,458.07
  5. Step 5: Solve for x
    x = 3,833,458.07/1,147.92
  6. Step 6: Final answer
    x = 3,339.48

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Why These Related Problems?

These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.