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Finding the Third Proportional to 109,638 and 235,908

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Solution

The third proportional to 109,638 and 235,908 is: 507,603.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,638 : 235,908 = 235,908 : x
  2. Step 2: Convert to fraction form
    109,638/235,908 = 235,908/x
  3. Step 3: Cross multiply
    109,638x = 235,908 × 235,908
  4. Step 4: Simplify right side
    109,638x = 55,652,584,464
  5. Step 5: Solve for x
    x = 55,652,584,464/109,638
  6. Step 6: Final answer
    x = 507,603.06

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.