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Finding the Third Proportional to 901.88 and 1,668.75

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Solution

The third proportional to 901.88 and 1,668.75 is: 3,087.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    901.88 : 1,668.75 = 1,668.75 : x
  2. Step 2: Convert to fraction form
    901.88/1,668.75 = 1,668.75/x
  3. Step 3: Cross multiply
    901.88x = 1,668.75 × 1,668.75
  4. Step 4: Simplify right side
    901.88x = 2,784,726.56
  5. Step 5: Solve for x
    x = 2,784,726.56/901.88
  6. Step 6: Final answer
    x = 3,087.71

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.