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Finding the Third Proportional to 86,886 and 202,991.63

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Solution

The third proportional to 86,886 and 202,991.63 is: 474,249.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,886 : 202,991.63 = 202,991.63 : x
  2. Step 2: Convert to fraction form
    86,886/202,991.63 = 202,991.63/x
  3. Step 3: Cross multiply
    86,886x = 202,991.63 × 202,991.63
  4. Step 4: Simplify right side
    86,886x = 41,205,599,820.14
  5. Step 5: Solve for x
    x = 41,205,599,820.14/86,886
  6. Step 6: Final answer
    x = 474,249.01

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.