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Finding the Third Proportional to 76,368 and 167,280

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Solution

The third proportional to 76,368 and 167,280 is: 366,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,368 : 167,280 = 167,280 : x
  2. Step 2: Convert to fraction form
    76,368/167,280 = 167,280/x
  3. Step 3: Cross multiply
    76,368x = 167,280 × 167,280
  4. Step 4: Simplify right side
    76,368x = 27,982,598,400
  5. Step 5: Solve for x
    x = 27,982,598,400/76,368
  6. Step 6: Final answer
    x = 366,417.85

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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.