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Finding the Third Proportional to 15,990.75 and 25,028.25

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Solution

The third proportional to 15,990.75 and 25,028.25 is: 39,173.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.75 : 25,028.25 = 25,028.25 : x
  2. Step 2: Convert to fraction form
    15,990.75/25,028.25 = 25,028.25/x
  3. Step 3: Cross multiply
    15,990.75x = 25,028.25 × 25,028.25
  4. Step 4: Simplify right side
    15,990.75x = 626,413,298.06
  5. Step 5: Solve for x
    x = 626,413,298.06/15,990.75
  6. Step 6: Final answer
    x = 39,173.48

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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.