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Finding the Third Proportional to 217,546 and 336,186

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Solution

The third proportional to 217,546 and 336,186 is: 519,527.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,546 : 336,186 = 336,186 : x
  2. Step 2: Convert to fraction form
    217,546/336,186 = 336,186/x
  3. Step 3: Cross multiply
    217,546x = 336,186 × 336,186
  4. Step 4: Simplify right side
    217,546x = 113,021,026,596
  5. Step 5: Solve for x
    x = 113,021,026,596/217,546
  6. Step 6: Final answer
    x = 519,527.03

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.