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Finding the Third Proportional to 220.50 and 332.25

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Solution

The third proportional to 220.50 and 332.25 is: 500.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    220.50 : 332.25 = 332.25 : x
  2. Step 2: Convert to fraction form
    220.50/332.25 = 332.25/x
  3. Step 3: Cross multiply
    220.50x = 332.25 × 332.25
  4. Step 4: Simplify right side
    220.50x = 110,390.06
  5. Step 5: Solve for x
    x = 110,390.06/220.50
  6. Step 6: Final answer
    x = 500.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.