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Finding the Third Proportional to 183.38 and 322.88

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Solution

The third proportional to 183.38 and 322.88 is: 568.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.38 : 322.88 = 322.88 : x
  2. Step 2: Convert to fraction form
    183.38/322.88 = 322.88/x
  3. Step 3: Cross multiply
    183.38x = 322.88 × 322.88
  4. Step 4: Simplify right side
    183.38x = 104,248.27
  5. Step 5: Solve for x
    x = 104,248.27/183.38
  6. Step 6: Final answer
    x = 568.50

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.