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Finding the Third Proportional to 454.50 and 929.25

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Solution

The third proportional to 454.50 and 929.25 is: 1,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    454.50 : 929.25 = 929.25 : x
  2. Step 2: Convert to fraction form
    454.50/929.25 = 929.25/x
  3. Step 3: Cross multiply
    454.50x = 929.25 × 929.25
  4. Step 4: Simplify right side
    454.50x = 863,505.56
  5. Step 5: Solve for x
    x = 863,505.56/454.50
  6. Step 6: Final answer
    x = 1,899.90

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.