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Finding the Third Proportional to 29,625.75 and 69,939

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Solution

The third proportional to 29,625.75 and 69,939 is: 165,108.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,625.75 : 69,939 = 69,939 : x
  2. Step 2: Convert to fraction form
    29,625.75/69,939 = 69,939/x
  3. Step 3: Cross multiply
    29,625.75x = 69,939 × 69,939
  4. Step 4: Simplify right side
    29,625.75x = 4,891,463,721
  5. Step 5: Solve for x
    x = 4,891,463,721/29,625.75
  6. Step 6: Final answer
    x = 165,108.52

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.