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Finding the Third Proportional to 217,297.69 and 336,185.44

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Solution

The third proportional to 217,297.69 and 336,185.44 is: 520,118.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,297.69 : 336,185.44 = 336,185.44 : x
  2. Step 2: Convert to fraction form
    217,297.69/336,185.44 = 336,185.44/x
  3. Step 3: Cross multiply
    217,297.69x = 336,185.44 × 336,185.44
  4. Step 4: Simplify right side
    217,297.69x = 113,020,648,387.07
  5. Step 5: Solve for x
    x = 113,020,648,387.07/217,297.69
  6. Step 6: Final answer
    x = 520,118.97

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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.