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Finding the Third Proportional to 79,188 and 170,756

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Solution

The third proportional to 79,188 and 170,756 is: 368,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,188 : 170,756 = 170,756 : x
  2. Step 2: Convert to fraction form
    79,188/170,756 = 170,756/x
  3. Step 3: Cross multiply
    79,188x = 170,756 × 170,756
  4. Step 4: Simplify right side
    79,188x = 29,157,611,536
  5. Step 5: Solve for x
    x = 29,157,611,536/79,188
  6. Step 6: Final answer
    x = 368,207.45

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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.