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Finding the Third Proportional to 108,218 and 236,118

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Solution

The third proportional to 108,218 and 236,118 is: 515,179.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,218 : 236,118 = 236,118 : x
  2. Step 2: Convert to fraction form
    108,218/236,118 = 236,118/x
  3. Step 3: Cross multiply
    108,218x = 236,118 × 236,118
  4. Step 4: Simplify right side
    108,218x = 55,751,709,924
  5. Step 5: Solve for x
    x = 55,751,709,924/108,218
  6. Step 6: Final answer
    x = 515,179.64

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.