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Finding the Third Proportional to 15,997.50 and 25,557.75

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Solution

The third proportional to 15,997.50 and 25,557.75 is: 40,831.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,997.50 : 25,557.75 = 25,557.75 : x
  2. Step 2: Convert to fraction form
    15,997.50/25,557.75 = 25,557.75/x
  3. Step 3: Cross multiply
    15,997.50x = 25,557.75 × 25,557.75
  4. Step 4: Simplify right side
    15,997.50x = 653,198,585.06
  5. Step 5: Solve for x
    x = 653,198,585.06/15,997.50
  6. Step 6: Final answer
    x = 40,831.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.