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Finding the Third Proportional to 476.25 and 603

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Solution

The third proportional to 476.25 and 603 is: 763.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.25 : 603 = 603 : x
  2. Step 2: Convert to fraction form
    476.25/603 = 603/x
  3. Step 3: Cross multiply
    476.25x = 603 × 603
  4. Step 4: Simplify right side
    476.25x = 363,609
  5. Step 5: Solve for x
    x = 363,609/476.25
  6. Step 6: Final answer
    x = 763.48

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.