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Finding the Third Proportional to 8,815,809 and 13,622,670

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Solution

The third proportional to 8,815,809 and 13,622,670 is: 21,050,494.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815,809 : 13,622,670 = 13,622,670 : x
  2. Step 2: Convert to fraction form
    8,815,809/13,622,670 = 13,622,670/x
  3. Step 3: Cross multiply
    8,815,809x = 13,622,670 × 13,622,670
  4. Step 4: Simplify right side
    8,815,809x = 185,577,137,928,900
  5. Step 5: Solve for x
    x = 185,577,137,928,900/8,815,809
  6. Step 6: Final answer
    x = 21,050,494.39

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.