Home / 136,117,489.50-209,222,372.25

Finding the Third Proportional to 136,117,489.50 and 209,222,372.25

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Solution

The third proportional to 136,117,489.50 and 209,222,372.25 is: 321,589,835.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,117,489.50 : 209,222,372.25 = 209,222,372.25 : x
  2. Step 2: Convert to fraction form
    136,117,489.50/209,222,372.25 = 209,222,372.25/x
  3. Step 3: Cross multiply
    136,117,489.50x = 209,222,372.25 × 209,222,372.25
  4. Step 4: Simplify right side
    136,117,489.50x = 43,774,001,049,917,568
  5. Step 5: Solve for x
    x = 43,774,001,049,917,568/136,117,489.50
  6. Step 6: Final answer
    x = 321,589,835.45

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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.