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Finding the Third Proportional to 79,476 and 173,715

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Solution

The third proportional to 79,476 and 173,715 is: 379,698.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,476 : 173,715 = 173,715 : x
  2. Step 2: Convert to fraction form
    79,476/173,715 = 173,715/x
  3. Step 3: Cross multiply
    79,476x = 173,715 × 173,715
  4. Step 4: Simplify right side
    79,476x = 30,176,901,225
  5. Step 5: Solve for x
    x = 30,176,901,225/79,476
  6. Step 6: Final answer
    x = 379,698.29

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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.