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Finding the Third Proportional to 25,912.50 and 39,138.75

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Solution

The third proportional to 25,912.50 and 39,138.75 is: 59,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,912.50 : 39,138.75 = 39,138.75 : x
  2. Step 2: Convert to fraction form
    25,912.50/39,138.75 = 39,138.75/x
  3. Step 3: Cross multiply
    25,912.50x = 39,138.75 × 39,138.75
  4. Step 4: Simplify right side
    25,912.50x = 1,531,841,751.56
  5. Step 5: Solve for x
    x = 1,531,841,751.56/25,912.50
  6. Step 6: Final answer
    x = 59,115.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.