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Finding the Third Proportional to 136,091 and 211,240

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Solution

The third proportional to 136,091 and 211,240 is: 327,886.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,091 : 211,240 = 211,240 : x
  2. Step 2: Convert to fraction form
    136,091/211,240 = 211,240/x
  3. Step 3: Cross multiply
    136,091x = 211,240 × 211,240
  4. Step 4: Simplify right side
    136,091x = 44,622,337,600
  5. Step 5: Solve for x
    x = 44,622,337,600/136,091
  6. Step 6: Final answer
    x = 327,886.03

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.