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Finding the Third Proportional to 56,016 and 121,812.75

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Solution

The third proportional to 56,016 and 121,812.75 is: 264,894.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,016 : 121,812.75 = 121,812.75 : x
  2. Step 2: Convert to fraction form
    56,016/121,812.75 = 121,812.75/x
  3. Step 3: Cross multiply
    56,016x = 121,812.75 × 121,812.75
  4. Step 4: Simplify right side
    56,016x = 14,838,346,062.56
  5. Step 5: Solve for x
    x = 14,838,346,062.56/56,016
  6. Step 6: Final answer
    x = 264,894.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.