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Finding the Third Proportional to 16,331.25 and 25,233.75

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Solution

The third proportional to 16,331.25 and 25,233.75 is: 38,989.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,331.25 : 25,233.75 = 25,233.75 : x
  2. Step 2: Convert to fraction form
    16,331.25/25,233.75 = 25,233.75/x
  3. Step 3: Cross multiply
    16,331.25x = 25,233.75 × 25,233.75
  4. Step 4: Simplify right side
    16,331.25x = 636,742,139.06
  5. Step 5: Solve for x
    x = 636,742,139.06/16,331.25
  6. Step 6: Final answer
    x = 38,989.19

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.