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Finding the Third Proportional to 7,458.75 and 16,249

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Solution

The third proportional to 7,458.75 and 16,249 is: 35,398.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.75 : 16,249 = 16,249 : x
  2. Step 2: Convert to fraction form
    7,458.75/16,249 = 16,249/x
  3. Step 3: Cross multiply
    7,458.75x = 16,249 × 16,249
  4. Step 4: Simplify right side
    7,458.75x = 264,030,001
  5. Step 5: Solve for x
    x = 264,030,001/7,458.75
  6. Step 6: Final answer
    x = 35,398.69

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.