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Finding the Third Proportional to 451.75 and 499

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Solution

The third proportional to 451.75 and 499 is: 551.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.75 : 499 = 499 : x
  2. Step 2: Convert to fraction form
    451.75/499 = 499/x
  3. Step 3: Cross multiply
    451.75x = 499 × 499
  4. Step 4: Simplify right side
    451.75x = 249,001
  5. Step 5: Solve for x
    x = 249,001/451.75
  6. Step 6: Final answer
    x = 551.19

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.