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Finding the Third Proportional to 76,217 and 167,518

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Solution

The third proportional to 76,217 and 167,518 is: 368,189.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,217 : 167,518 = 167,518 : x
  2. Step 2: Convert to fraction form
    76,217/167,518 = 167,518/x
  3. Step 3: Cross multiply
    76,217x = 167,518 × 167,518
  4. Step 4: Simplify right side
    76,217x = 28,062,280,324
  5. Step 5: Solve for x
    x = 28,062,280,324/76,217
  6. Step 6: Final answer
    x = 368,189.25

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.