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Finding the Third Proportional to 7,224,589.50 and 9,906,861

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Solution

The third proportional to 7,224,589.50 and 9,906,861 is: 13,584,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224,589.50 : 9,906,861 = 9,906,861 : x
  2. Step 2: Convert to fraction form
    7,224,589.50/9,906,861 = 9,906,861/x
  3. Step 3: Cross multiply
    7,224,589.50x = 9,906,861 × 9,906,861
  4. Step 4: Simplify right side
    7,224,589.50x = 98,145,894,873,321
  5. Step 5: Solve for x
    x = 98,145,894,873,321/7,224,589.50
  6. Step 6: Final answer
    x = 13,584,978.76

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.