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Finding the Third Proportional to 3,145,113 and 6,879,073

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Solution

The third proportional to 3,145,113 and 6,879,073 is: 15,046,087.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,113 : 6,879,073 = 6,879,073 : x
  2. Step 2: Convert to fraction form
    3,145,113/6,879,073 = 6,879,073/x
  3. Step 3: Cross multiply
    3,145,113x = 6,879,073 × 6,879,073
  4. Step 4: Simplify right side
    3,145,113x = 47,321,645,339,329
  5. Step 5: Solve for x
    x = 47,321,645,339,329/3,145,113
  6. Step 6: Final answer
    x = 15,046,087.48

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.