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Finding the Third Proportional to 20,609,615 and 27,989,850

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Solution

The third proportional to 20,609,615 and 27,989,850 is: 38,012,922.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,609,615 : 27,989,850 = 27,989,850 : x
  2. Step 2: Convert to fraction form
    20,609,615/27,989,850 = 27,989,850/x
  3. Step 3: Cross multiply
    20,609,615x = 27,989,850 × 27,989,850
  4. Step 4: Simplify right side
    20,609,615x = 783,431,703,022,500
  5. Step 5: Solve for x
    x = 783,431,703,022,500/20,609,615
  6. Step 6: Final answer
    x = 38,012,922.76

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.