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Finding the Third Proportional to 3,145,571.25 and 6,879,897

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Solution

The third proportional to 3,145,571.25 and 6,879,897 is: 15,047,499.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,571.25 : 6,879,897 = 6,879,897 : x
  2. Step 2: Convert to fraction form
    3,145,571.25/6,879,897 = 6,879,897/x
  3. Step 3: Cross multiply
    3,145,571.25x = 6,879,897 × 6,879,897
  4. Step 4: Simplify right side
    3,145,571.25x = 47,332,982,730,609
  5. Step 5: Solve for x
    x = 47,332,982,730,609/3,145,571.25
  6. Step 6: Final answer
    x = 15,047,499.79

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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.