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Finding the Third Proportional to 1,330.25 and 2,365.75

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Solution

The third proportional to 1,330.25 and 2,365.75 is: 4,207.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330.25 : 2,365.75 = 2,365.75 : x
  2. Step 2: Convert to fraction form
    1,330.25/2,365.75 = 2,365.75/x
  3. Step 3: Cross multiply
    1,330.25x = 2,365.75 × 2,365.75
  4. Step 4: Simplify right side
    1,330.25x = 5,596,773.06
  5. Step 5: Solve for x
    x = 5,596,773.06/1,330.25
  6. Step 6: Final answer
    x = 4,207.31

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.