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Finding the Third Proportional to 8,276,625 and 12,917,862

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Solution

The third proportional to 8,276,625 and 12,917,862 is: 20,161,739.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276,625 : 12,917,862 = 12,917,862 : x
  2. Step 2: Convert to fraction form
    8,276,625/12,917,862 = 12,917,862/x
  3. Step 3: Cross multiply
    8,276,625x = 12,917,862 × 12,917,862
  4. Step 4: Simplify right side
    8,276,625x = 166,871,158,651,044
  5. Step 5: Solve for x
    x = 166,871,158,651,044/8,276,625
  6. Step 6: Final answer
    x = 20,161,739.68

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.