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Finding the Third Proportional to 56,917.69 and 124,724.81

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Solution

The third proportional to 56,917.69 and 124,724.81 is: 273,311.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,917.69 : 124,724.81 = 124,724.81 : x
  2. Step 2: Convert to fraction form
    56,917.69/124,724.81 = 124,724.81/x
  3. Step 3: Cross multiply
    56,917.69x = 124,724.81 × 124,724.81
  4. Step 4: Simplify right side
    56,917.69x = 15,556,278,853.16
  5. Step 5: Solve for x
    x = 15,556,278,853.16/56,917.69
  6. Step 6: Final answer
    x = 273,311.86

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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.