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Finding the Third Proportional to 20,867,953 and 27,820,779

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Solution

The third proportional to 20,867,953 and 27,820,779 is: 37,090,161.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,867,953 : 27,820,779 = 27,820,779 : x
  2. Step 2: Convert to fraction form
    20,867,953/27,820,779 = 27,820,779/x
  3. Step 3: Cross multiply
    20,867,953x = 27,820,779 × 27,820,779
  4. Step 4: Simplify right side
    20,867,953x = 773,995,744,166,841
  5. Step 5: Solve for x
    x = 773,995,744,166,841/20,867,953
  6. Step 6: Final answer
    x = 37,090,161.37

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.