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Finding the Third Proportional to 36,780.75 and 79,655.06

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Solution

The third proportional to 36,780.75 and 79,655.06 is: 172,506.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,780.75 : 79,655.06 = 79,655.06 : x
  2. Step 2: Convert to fraction form
    36,780.75/79,655.06 = 79,655.06/x
  3. Step 3: Cross multiply
    36,780.75x = 79,655.06 × 79,655.06
  4. Step 4: Simplify right side
    36,780.75x = 6,344,928,981.88
  5. Step 5: Solve for x
    x = 6,344,928,981.88/36,780.75
  6. Step 6: Final answer
    x = 172,506.79

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.