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Finding the Third Proportional to 51,990.75 and 112,887.25

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Solution

The third proportional to 51,990.75 and 112,887.25 is: 245,111.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,990.75 : 112,887.25 = 112,887.25 : x
  2. Step 2: Convert to fraction form
    51,990.75/112,887.25 = 112,887.25/x
  3. Step 3: Cross multiply
    51,990.75x = 112,887.25 × 112,887.25
  4. Step 4: Simplify right side
    51,990.75x = 12,743,531,212.56
  5. Step 5: Solve for x
    x = 12,743,531,212.56/51,990.75
  6. Step 6: Final answer
    x = 245,111.51

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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.