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Finding the Third Proportional to 108,555 and 235,676

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Solution

The third proportional to 108,555 and 235,676 is: 511,659.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,555 : 235,676 = 235,676 : x
  2. Step 2: Convert to fraction form
    108,555/235,676 = 235,676/x
  3. Step 3: Cross multiply
    108,555x = 235,676 × 235,676
  4. Step 4: Simplify right side
    108,555x = 55,543,176,976
  5. Step 5: Solve for x
    x = 55,543,176,976/108,555
  6. Step 6: Final answer
    x = 511,659.32

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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.