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Finding the Third Proportional to 238,926 and 513,267

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Solution

The third proportional to 238,926 and 513,267 is: 1,102,613.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,926 : 513,267 = 513,267 : x
  2. Step 2: Convert to fraction form
    238,926/513,267 = 513,267/x
  3. Step 3: Cross multiply
    238,926x = 513,267 × 513,267
  4. Step 4: Simplify right side
    238,926x = 263,443,013,289
  5. Step 5: Solve for x
    x = 263,443,013,289/238,926
  6. Step 6: Final answer
    x = 1,102,613.42

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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.