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Finding the Third Proportional to 108,778 and 230,606

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Solution

The third proportional to 108,778 and 230,606 is: 488,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,778 : 230,606 = 230,606 : x
  2. Step 2: Convert to fraction form
    108,778/230,606 = 230,606/x
  3. Step 3: Cross multiply
    108,778x = 230,606 × 230,606
  4. Step 4: Simplify right side
    108,778x = 53,179,127,236
  5. Step 5: Solve for x
    x = 53,179,127,236/108,778
  6. Step 6: Final answer
    x = 488,877.60

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.