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Finding the Third Proportional to 108,918 and 235,929

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Solution

The third proportional to 108,918 and 235,929 is: 511,049.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,918 : 235,929 = 235,929 : x
  2. Step 2: Convert to fraction form
    108,918/235,929 = 235,929/x
  3. Step 3: Cross multiply
    108,918x = 235,929 × 235,929
  4. Step 4: Simplify right side
    108,918x = 55,662,493,041
  5. Step 5: Solve for x
    x = 55,662,493,041/108,918
  6. Step 6: Final answer
    x = 511,049.53

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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.