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Finding the Third Proportional to 20,470.50 and 26,331.75

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Solution

The third proportional to 20,470.50 and 26,331.75 is: 33,871.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,470.50 : 26,331.75 = 26,331.75 : x
  2. Step 2: Convert to fraction form
    20,470.50/26,331.75 = 26,331.75/x
  3. Step 3: Cross multiply
    20,470.50x = 26,331.75 × 26,331.75
  4. Step 4: Simplify right side
    20,470.50x = 693,361,058.06
  5. Step 5: Solve for x
    x = 693,361,058.06/20,470.50
  6. Step 6: Final answer
    x = 33,871.23

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.