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Finding the Third Proportional to 109,626 and 236,739

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Solution

The third proportional to 109,626 and 236,739 is: 511,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,626 : 236,739 = 236,739 : x
  2. Step 2: Convert to fraction form
    109,626/236,739 = 236,739/x
  3. Step 3: Cross multiply
    109,626x = 236,739 × 236,739
  4. Step 4: Simplify right side
    109,626x = 56,045,354,121
  5. Step 5: Solve for x
    x = 56,045,354,121/109,626
  6. Step 6: Final answer
    x = 511,241.44

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.