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Finding the Third Proportional to 15,872.25 and 34,133.25

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Solution

The third proportional to 15,872.25 and 34,133.25 is: 73,403.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,872.25 : 34,133.25 = 34,133.25 : x
  2. Step 2: Convert to fraction form
    15,872.25/34,133.25 = 34,133.25/x
  3. Step 3: Cross multiply
    15,872.25x = 34,133.25 × 34,133.25
  4. Step 4: Simplify right side
    15,872.25x = 1,165,078,755.56
  5. Step 5: Solve for x
    x = 1,165,078,755.56/15,872.25
  6. Step 6: Final answer
    x = 73,403.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.