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Finding the Third Proportional to 322.75 and 501

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Solution

The third proportional to 322.75 and 501 is: 777.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.75 : 501 = 501 : x
  2. Step 2: Convert to fraction form
    322.75/501 = 501/x
  3. Step 3: Cross multiply
    322.75x = 501 × 501
  4. Step 4: Simplify right side
    322.75x = 251,001
  5. Step 5: Solve for x
    x = 251,001/322.75
  6. Step 6: Final answer
    x = 777.69

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.