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Finding the Third Proportional to 63,411.75 and 136,635.75

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Solution

The third proportional to 63,411.75 and 136,635.75 is: 294,414.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,411.75 : 136,635.75 = 136,635.75 : x
  2. Step 2: Convert to fraction form
    63,411.75/136,635.75 = 136,635.75/x
  3. Step 3: Cross multiply
    63,411.75x = 136,635.75 × 136,635.75
  4. Step 4: Simplify right side
    63,411.75x = 18,669,328,178.06
  5. Step 5: Solve for x
    x = 18,669,328,178.06/63,411.75
  6. Step 6: Final answer
    x = 294,414.33

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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.