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Finding the Third Proportional to 3,991,626 and 6,254,479.13

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Solution

The third proportional to 3,991,626 and 6,254,479.13 is: 9,800,143.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,626 : 6,254,479.13 = 6,254,479.13 : x
  2. Step 2: Convert to fraction form
    3,991,626/6,254,479.13 = 6,254,479.13/x
  3. Step 3: Cross multiply
    3,991,626x = 6,254,479.13 × 6,254,479.13
  4. Step 4: Simplify right side
    3,991,626x = 39,118,509,125,060.77
  5. Step 5: Solve for x
    x = 39,118,509,125,060.77/3,991,626
  6. Step 6: Final answer
    x = 9,800,143.88

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.