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Finding the Third Proportional to 20,609,613 and 27,989,847

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Solution

The third proportional to 20,609,613 and 27,989,847 is: 38,012,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,609,613 : 27,989,847 = 27,989,847 : x
  2. Step 2: Convert to fraction form
    20,609,613/27,989,847 = 27,989,847/x
  3. Step 3: Cross multiply
    20,609,613x = 27,989,847 × 27,989,847
  4. Step 4: Simplify right side
    20,609,613x = 783,431,535,083,409
  5. Step 5: Solve for x
    x = 783,431,535,083,409/20,609,613
  6. Step 6: Final answer
    x = 38,012,918.30

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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.