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Finding the Third Proportional to 169,434 and 365,112

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Solution

The third proportional to 169,434 and 365,112 is: 786,776.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,434 : 365,112 = 365,112 : x
  2. Step 2: Convert to fraction form
    169,434/365,112 = 365,112/x
  3. Step 3: Cross multiply
    169,434x = 365,112 × 365,112
  4. Step 4: Simplify right side
    169,434x = 133,306,772,544
  5. Step 5: Solve for x
    x = 133,306,772,544/169,434
  6. Step 6: Final answer
    x = 786,776.99

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.