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Finding the Third Proportional to 1,332.75 and 1,806.75

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Solution

The third proportional to 1,332.75 and 1,806.75 is: 2,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.75 : 1,806.75 = 1,806.75 : x
  2. Step 2: Convert to fraction form
    1,332.75/1,806.75 = 1,806.75/x
  3. Step 3: Cross multiply
    1,332.75x = 1,806.75 × 1,806.75
  4. Step 4: Simplify right side
    1,332.75x = 3,264,345.56
  5. Step 5: Solve for x
    x = 3,264,345.56/1,332.75
  6. Step 6: Final answer
    x = 2,449.33

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.