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Finding the Third Proportional to 18,641.25 and 36,337.50

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Solution

The third proportional to 18,641.25 and 36,337.50 is: 70,832.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,641.25 : 36,337.50 = 36,337.50 : x
  2. Step 2: Convert to fraction form
    18,641.25/36,337.50 = 36,337.50/x
  3. Step 3: Cross multiply
    18,641.25x = 36,337.50 × 36,337.50
  4. Step 4: Simplify right side
    18,641.25x = 1,320,413,906.25
  5. Step 5: Solve for x
    x = 1,320,413,906.25/18,641.25
  6. Step 6: Final answer
    x = 70,832.91

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.