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Finding the Third Proportional to 217,044 and 336,034

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Solution

The third proportional to 217,044 and 336,034 is: 520,257.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,044 : 336,034 = 336,034 : x
  2. Step 2: Convert to fraction form
    217,044/336,034 = 336,034/x
  3. Step 3: Cross multiply
    217,044x = 336,034 × 336,034
  4. Step 4: Simplify right side
    217,044x = 112,918,849,156
  5. Step 5: Solve for x
    x = 112,918,849,156/217,044
  6. Step 6: Final answer
    x = 520,257.87

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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.