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Finding the Third Proportional to 63,856.31 and 136,887.56

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Solution

The third proportional to 63,856.31 and 136,887.56 is: 293,443.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,856.31 : 136,887.56 = 136,887.56 : x
  2. Step 2: Convert to fraction form
    63,856.31/136,887.56 = 136,887.56/x
  3. Step 3: Cross multiply
    63,856.31x = 136,887.56 × 136,887.56
  4. Step 4: Simplify right side
    63,856.31x = 18,738,204,767.19
  5. Step 5: Solve for x
    x = 18,738,204,767.19/63,856.31
  6. Step 6: Final answer
    x = 293,443.26

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.