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Finding the Third Proportional to 56,921.06 and 124,912.97

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Solution

The third proportional to 56,921.06 and 124,912.97 is: 274,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,921.06 : 124,912.97 = 124,912.97 : x
  2. Step 2: Convert to fraction form
    56,921.06/124,912.97 = 124,912.97/x
  3. Step 3: Cross multiply
    56,921.06x = 124,912.97 × 124,912.97
  4. Step 4: Simplify right side
    56,921.06x = 15,603,249,761.94
  5. Step 5: Solve for x
    x = 15,603,249,761.94/56,921.06
  6. Step 6: Final answer
    x = 274,120.85

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.