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Finding the Third Proportional to 454.50 and 901.88

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Solution

The third proportional to 454.50 and 901.88 is: 1,789.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    454.50 : 901.88 = 901.88 : x
  2. Step 2: Convert to fraction form
    454.50/901.88 = 901.88/x
  3. Step 3: Cross multiply
    454.50x = 901.88 × 901.88
  4. Step 4: Simplify right side
    454.50x = 813,378.52
  5. Step 5: Solve for x
    x = 813,378.52/454.50
  6. Step 6: Final answer
    x = 1,789.61

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.