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Finding the Third Proportional to 8,189,550 and 12,845,817

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Solution

The third proportional to 8,189,550 and 12,845,817 is: 20,149,460.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,550 : 12,845,817 = 12,845,817 : x
  2. Step 2: Convert to fraction form
    8,189,550/12,845,817 = 12,845,817/x
  3. Step 3: Cross multiply
    8,189,550x = 12,845,817 × 12,845,817
  4. Step 4: Simplify right side
    8,189,550x = 165,015,014,397,489
  5. Step 5: Solve for x
    x = 165,015,014,397,489/8,189,550
  6. Step 6: Final answer
    x = 20,149,460.52

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.