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Finding the Third Proportional to 77,934 and 170,604

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Solution

The third proportional to 77,934 and 170,604 is: 373,466.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,934 : 170,604 = 170,604 : x
  2. Step 2: Convert to fraction form
    77,934/170,604 = 170,604/x
  3. Step 3: Cross multiply
    77,934x = 170,604 × 170,604
  4. Step 4: Simplify right side
    77,934x = 29,105,724,816
  5. Step 5: Solve for x
    x = 29,105,724,816/77,934
  6. Step 6: Final answer
    x = 373,466.33

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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.