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Finding the Third Proportional to 8,886,786 and 13,454,811

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Solution

The third proportional to 8,886,786 and 13,454,811 is: 20,370,912.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886,786 : 13,454,811 = 13,454,811 : x
  2. Step 2: Convert to fraction form
    8,886,786/13,454,811 = 13,454,811/x
  3. Step 3: Cross multiply
    8,886,786x = 13,454,811 × 13,454,811
  4. Step 4: Simplify right side
    8,886,786x = 181,031,939,045,721
  5. Step 5: Solve for x
    x = 181,031,939,045,721/8,886,786
  6. Step 6: Final answer
    x = 20,370,912.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.