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Finding the Third Proportional to 36,158.06 and 77,866.31

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Solution

The third proportional to 36,158.06 and 77,866.31 is: 167,684.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,158.06 : 77,866.31 = 77,866.31 : x
  2. Step 2: Convert to fraction form
    36,158.06/77,866.31 = 77,866.31/x
  3. Step 3: Cross multiply
    36,158.06x = 77,866.31 × 77,866.31
  4. Step 4: Simplify right side
    36,158.06x = 6,063,162,622.35
  5. Step 5: Solve for x
    x = 6,063,162,622.35/36,158.06
  6. Step 6: Final answer
    x = 167,684.94

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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.