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Finding the Third Proportional to 3,145,108.50 and 6,879,057

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Solution

The third proportional to 3,145,108.50 and 6,879,057 is: 15,046,039.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,108.50 : 6,879,057 = 6,879,057 : x
  2. Step 2: Convert to fraction form
    3,145,108.50/6,879,057 = 6,879,057/x
  3. Step 3: Cross multiply
    3,145,108.50x = 6,879,057 × 6,879,057
  4. Step 4: Simplify right side
    3,145,108.50x = 47,321,425,209,249
  5. Step 5: Solve for x
    x = 47,321,425,209,249/3,145,108.50
  6. Step 6: Final answer
    x = 15,046,039.02

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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.