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Finding the Third Proportional to 33,686,876 and 74,090,680

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Solution

The third proportional to 33,686,876 and 74,090,680 is: 162,954,524.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,686,876 : 74,090,680 = 74,090,680 : x
  2. Step 2: Convert to fraction form
    33,686,876/74,090,680 = 74,090,680/x
  3. Step 3: Cross multiply
    33,686,876x = 74,090,680 × 74,090,680
  4. Step 4: Simplify right side
    33,686,876x = 5,489,428,862,862,400
  5. Step 5: Solve for x
    x = 5,489,428,862,862,400/33,686,876
  6. Step 6: Final answer
    x = 162,954,524.57

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.