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Finding the Third Proportional to 32.25 and 85.13

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Solution

The third proportional to 32.25 and 85.13 is: 224.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.25 : 85.13 = 85.13 : x
  2. Step 2: Convert to fraction form
    32.25/85.13 = 85.13/x
  3. Step 3: Cross multiply
    32.25x = 85.13 × 85.13
  4. Step 4: Simplify right side
    32.25x = 7,246.27
  5. Step 5: Solve for x
    x = 7,246.27/32.25
  6. Step 6: Final answer
    x = 224.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.