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Finding the Third Proportional to 1,442.81 and 1,932.61

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Solution

The third proportional to 1,442.81 and 1,932.61 is: 2,588.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442.81 : 1,932.61 = 1,932.61 : x
  2. Step 2: Convert to fraction form
    1,442.81/1,932.61 = 1,932.61/x
  3. Step 3: Cross multiply
    1,442.81x = 1,932.61 × 1,932.61
  4. Step 4: Simplify right side
    1,442.81x = 3,734,979.00
  5. Step 5: Solve for x
    x = 3,734,979.00/1,442.81
  6. Step 6: Final answer
    x = 2,588.68

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These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.