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Finding the Third Proportional to 76,479.59 and 166,669.05

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Solution

The third proportional to 76,479.59 and 166,669.05 is: 363,215.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,479.59 : 166,669.05 = 166,669.05 : x
  2. Step 2: Convert to fraction form
    76,479.59/166,669.05 = 166,669.05/x
  3. Step 3: Cross multiply
    76,479.59x = 166,669.05 × 166,669.05
  4. Step 4: Simplify right side
    76,479.59x = 27,778,571,837.27
  5. Step 5: Solve for x
    x = 27,778,571,837.27/76,479.59
  6. Step 6: Final answer
    x = 363,215.48

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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.