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Finding the Third Proportional to 8,815,786 and 13,622,637

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Solution

The third proportional to 8,815,786 and 13,622,637 is: 21,050,447.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815,786 : 13,622,637 = 13,622,637 : x
  2. Step 2: Convert to fraction form
    8,815,786/13,622,637 = 13,622,637/x
  3. Step 3: Cross multiply
    8,815,786x = 13,622,637 × 13,622,637
  4. Step 4: Simplify right side
    8,815,786x = 185,576,238,833,769
  5. Step 5: Solve for x
    x = 185,576,238,833,769/8,815,786
  6. Step 6: Final answer
    x = 21,050,447.33

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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.