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Finding the Third Proportional to 63,446 and 136,636

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Solution

The third proportional to 63,446 and 136,636 is: 294,256.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,446 : 136,636 = 136,636 : x
  2. Step 2: Convert to fraction form
    63,446/136,636 = 136,636/x
  3. Step 3: Cross multiply
    63,446x = 136,636 × 136,636
  4. Step 4: Simplify right side
    63,446x = 18,669,396,496
  5. Step 5: Solve for x
    x = 18,669,396,496/63,446
  6. Step 6: Final answer
    x = 294,256.48

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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.