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Finding the Third Proportional to 77,796 and 158,446

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Solution

The third proportional to 77,796 and 158,446 is: 322,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,796 : 158,446 = 158,446 : x
  2. Step 2: Convert to fraction form
    77,796/158,446 = 158,446/x
  3. Step 3: Cross multiply
    77,796x = 158,446 × 158,446
  4. Step 4: Simplify right side
    77,796x = 25,105,134,916
  5. Step 5: Solve for x
    x = 25,105,134,916/77,796
  6. Step 6: Final answer
    x = 322,704.70

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.