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Finding the Third Proportional to 5,239,280 and 7,826,568

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Solution

The third proportional to 5,239,280 and 7,826,568 is: 11,691,523.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239,280 : 7,826,568 = 7,826,568 : x
  2. Step 2: Convert to fraction form
    5,239,280/7,826,568 = 7,826,568/x
  3. Step 3: Cross multiply
    5,239,280x = 7,826,568 × 7,826,568
  4. Step 4: Simplify right side
    5,239,280x = 61,255,166,658,624
  5. Step 5: Solve for x
    x = 61,255,166,658,624/5,239,280
  6. Step 6: Final answer
    x = 11,691,523.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.