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Finding the Third Proportional to 20,472.75 and 32,379.75

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Solution

The third proportional to 20,472.75 and 32,379.75 is: 51,211.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,472.75 : 32,379.75 = 32,379.75 : x
  2. Step 2: Convert to fraction form
    20,472.75/32,379.75 = 32,379.75/x
  3. Step 3: Cross multiply
    20,472.75x = 32,379.75 × 32,379.75
  4. Step 4: Simplify right side
    20,472.75x = 1,048,448,210.06
  5. Step 5: Solve for x
    x = 1,048,448,210.06/20,472.75
  6. Step 6: Final answer
    x = 51,211.89

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.