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Finding the Third Proportional to 3,145,288.50 and 6,879,426.75

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Solution

The third proportional to 3,145,288.50 and 6,879,426.75 is: 15,046,795.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,288.50 : 6,879,426.75 = 6,879,426.75 : x
  2. Step 2: Convert to fraction form
    3,145,288.50/6,879,426.75 = 6,879,426.75/x
  3. Step 3: Cross multiply
    3,145,288.50x = 6,879,426.75 × 6,879,426.75
  4. Step 4: Simplify right side
    3,145,288.50x = 47,326,512,408,615.56
  5. Step 5: Solve for x
    x = 47,326,512,408,615.56/3,145,288.50
  6. Step 6: Final answer
    x = 15,046,795.36

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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.