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Finding the Third Proportional to 79,317 and 171,702

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Solution

The third proportional to 79,317 and 171,702 is: 371,693.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,317 : 171,702 = 171,702 : x
  2. Step 2: Convert to fraction form
    79,317/171,702 = 171,702/x
  3. Step 3: Cross multiply
    79,317x = 171,702 × 171,702
  4. Step 4: Simplify right side
    79,317x = 29,481,576,804
  5. Step 5: Solve for x
    x = 29,481,576,804/79,317
  6. Step 6: Final answer
    x = 371,693.04

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.