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Finding the Third Proportional to 76,358 and 167,772

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Solution

The third proportional to 76,358 and 167,772 is: 368,624.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,358 : 167,772 = 167,772 : x
  2. Step 2: Convert to fraction form
    76,358/167,772 = 167,772/x
  3. Step 3: Cross multiply
    76,358x = 167,772 × 167,772
  4. Step 4: Simplify right side
    76,358x = 28,147,443,984
  5. Step 5: Solve for x
    x = 28,147,443,984/76,358
  6. Step 6: Final answer
    x = 368,624.69

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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.