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Finding the Third Proportional to 124,519 and 261,917

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Solution

The third proportional to 124,519 and 261,917 is: 550,924.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,519 : 261,917 = 261,917 : x
  2. Step 2: Convert to fraction form
    124,519/261,917 = 261,917/x
  3. Step 3: Cross multiply
    124,519x = 261,917 × 261,917
  4. Step 4: Simplify right side
    124,519x = 68,600,514,889
  5. Step 5: Solve for x
    x = 68,600,514,889/124,519
  6. Step 6: Final answer
    x = 550,924.07

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.