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Finding the Third Proportional to 8,662.50 and 20,085.75

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Solution

The third proportional to 8,662.50 and 20,085.75 is: 46,572.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,662.50 : 20,085.75 = 20,085.75 : x
  2. Step 2: Convert to fraction form
    8,662.50/20,085.75 = 20,085.75/x
  3. Step 3: Cross multiply
    8,662.50x = 20,085.75 × 20,085.75
  4. Step 4: Simplify right side
    8,662.50x = 403,437,353.06
  5. Step 5: Solve for x
    x = 403,437,353.06/8,662.50
  6. Step 6: Final answer
    x = 46,572.85

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.