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Finding the Third Proportional to 6,378,974 and 13,643,116

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Solution

The third proportional to 6,378,974 and 13,643,116 is: 29,179,396.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378,974 : 13,643,116 = 13,643,116 : x
  2. Step 2: Convert to fraction form
    6,378,974/13,643,116 = 13,643,116/x
  3. Step 3: Cross multiply
    6,378,974x = 13,643,116 × 13,643,116
  4. Step 4: Simplify right side
    6,378,974x = 186,134,614,189,456
  5. Step 5: Solve for x
    x = 186,134,614,189,456/6,378,974
  6. Step 6: Final answer
    x = 29,179,396.90

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.