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Finding the Third Proportional to 200.67 and 332.30

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Solution

The third proportional to 200.67 and 332.30 is: 550.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.67 : 332.30 = 332.30 : x
  2. Step 2: Convert to fraction form
    200.67/332.30 = 332.30/x
  3. Step 3: Cross multiply
    200.67x = 332.30 × 332.30
  4. Step 4: Simplify right side
    200.67x = 110,421.21
  5. Step 5: Solve for x
    x = 110,421.21/200.67
  6. Step 6: Final answer
    x = 550.26

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.