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Finding the Third Proportional to 3,187,858 and 6,879,490

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Solution

The third proportional to 3,187,858 and 6,879,490 is: 14,846,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,858 : 6,879,490 = 6,879,490 : x
  2. Step 2: Convert to fraction form
    3,187,858/6,879,490 = 6,879,490/x
  3. Step 3: Cross multiply
    3,187,858x = 6,879,490 × 6,879,490
  4. Step 4: Simplify right side
    3,187,858x = 47,327,382,660,100
  5. Step 5: Solve for x
    x = 47,327,382,660,100/3,187,858
  6. Step 6: Final answer
    x = 14,846,138.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.