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Finding the Third Proportional to 136,568 and 210,996

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Solution

The third proportional to 136,568 and 210,996 is: 325,986.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,568 : 210,996 = 210,996 : x
  2. Step 2: Convert to fraction form
    136,568/210,996 = 210,996/x
  3. Step 3: Cross multiply
    136,568x = 210,996 × 210,996
  4. Step 4: Simplify right side
    136,568x = 44,519,312,016
  5. Step 5: Solve for x
    x = 44,519,312,016/136,568
  6. Step 6: Final answer
    x = 325,986.41

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.