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Finding the Third Proportional to 982.69 and 1,374.75

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Solution

The third proportional to 982.69 and 1,374.75 is: 1,923.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    982.69 : 1,374.75 = 1,374.75 : x
  2. Step 2: Convert to fraction form
    982.69/1,374.75 = 1,374.75/x
  3. Step 3: Cross multiply
    982.69x = 1,374.75 × 1,374.75
  4. Step 4: Simplify right side
    982.69x = 1,889,937.56
  5. Step 5: Solve for x
    x = 1,889,937.56/982.69
  6. Step 6: Final answer
    x = 1,923.23

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.