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Finding the Third Proportional to 76,210 and 167,176

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Solution

The third proportional to 76,210 and 167,176 is: 366,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,210 : 167,176 = 167,176 : x
  2. Step 2: Convert to fraction form
    76,210/167,176 = 167,176/x
  3. Step 3: Cross multiply
    76,210x = 167,176 × 167,176
  4. Step 4: Simplify right side
    76,210x = 27,947,814,976
  5. Step 5: Solve for x
    x = 27,947,814,976/76,210
  6. Step 6: Final answer
    x = 366,721.10

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.