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Finding the Third Proportional to 918.84 and 1,375.73

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Solution

The third proportional to 918.84 and 1,375.73 is: 2,059.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    918.84 : 1,375.73 = 1,375.73 : x
  2. Step 2: Convert to fraction form
    918.84/1,375.73 = 1,375.73/x
  3. Step 3: Cross multiply
    918.84x = 1,375.73 × 1,375.73
  4. Step 4: Simplify right side
    918.84x = 1,892,645.07
  5. Step 5: Solve for x
    x = 1,892,645.07/918.84
  6. Step 6: Final answer
    x = 2,059.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.