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Finding the Third Proportional to 79,314 and 171,696

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Solution

The third proportional to 79,314 and 171,696 is: 371,681.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,314 : 171,696 = 171,696 : x
  2. Step 2: Convert to fraction form
    79,314/171,696 = 171,696/x
  3. Step 3: Cross multiply
    79,314x = 171,696 × 171,696
  4. Step 4: Simplify right side
    79,314x = 29,479,516,416
  5. Step 5: Solve for x
    x = 29,479,516,416/79,314
  6. Step 6: Final answer
    x = 371,681.12

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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.