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Finding the Third Proportional to 12,809,086 and 27,892,478

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Solution

The third proportional to 12,809,086 and 27,892,478 is: 60,737,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,809,086 : 27,892,478 = 27,892,478 : x
  2. Step 2: Convert to fraction form
    12,809,086/27,892,478 = 27,892,478/x
  3. Step 3: Cross multiply
    12,809,086x = 27,892,478 × 27,892,478
  4. Step 4: Simplify right side
    12,809,086x = 777,990,328,980,484
  5. Step 5: Solve for x
    x = 777,990,328,980,484/12,809,086
  6. Step 6: Final answer
    x = 60,737,380.40

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.