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Finding the Third Proportional to 32,445 and 69,738.75

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Solution

The third proportional to 32,445 and 69,738.75 is: 149,899.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,445 : 69,738.75 = 69,738.75 : x
  2. Step 2: Convert to fraction form
    32,445/69,738.75 = 69,738.75/x
  3. Step 3: Cross multiply
    32,445x = 69,738.75 × 69,738.75
  4. Step 4: Simplify right side
    32,445x = 4,863,493,251.56
  5. Step 5: Solve for x
    x = 4,863,493,251.56/32,445
  6. Step 6: Final answer
    x = 149,899.62

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.