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Finding the Third Proportional to 15,982.50 and 25,072.13

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Solution

The third proportional to 15,982.50 and 25,072.13 is: 39,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.50 : 25,072.13 = 25,072.13 : x
  2. Step 2: Convert to fraction form
    15,982.50/25,072.13 = 25,072.13/x
  3. Step 3: Cross multiply
    15,982.50x = 25,072.13 × 25,072.13
  4. Step 4: Simplify right side
    15,982.50x = 628,611,452.02
  5. Step 5: Solve for x
    x = 628,611,452.02/15,982.50
  6. Step 6: Final answer
    x = 39,331.23

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.