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Finding the Third Proportional to 12,679,489 and 26,998,621

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Solution

The third proportional to 12,679,489 and 26,998,621 is: 57,488,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679,489 : 26,998,621 = 26,998,621 : x
  2. Step 2: Convert to fraction form
    12,679,489/26,998,621 = 26,998,621/x
  3. Step 3: Cross multiply
    12,679,489x = 26,998,621 × 26,998,621
  4. Step 4: Simplify right side
    12,679,489x = 728,925,535,901,641
  5. Step 5: Solve for x
    x = 728,925,535,901,641/12,679,489
  6. Step 6: Final answer
    x = 57,488,557.77

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.