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Finding the Third Proportional to 6,575.75 and 10,186.75

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Solution

The third proportional to 6,575.75 and 10,186.75 is: 15,780.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,575.75 : 10,186.75 = 10,186.75 : x
  2. Step 2: Convert to fraction form
    6,575.75/10,186.75 = 10,186.75/x
  3. Step 3: Cross multiply
    6,575.75x = 10,186.75 × 10,186.75
  4. Step 4: Simplify right side
    6,575.75x = 103,769,875.56
  5. Step 5: Solve for x
    x = 103,769,875.56/6,575.75
  6. Step 6: Final answer
    x = 15,780.69

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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.