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Finding the Third Proportional to 8,622,540 and 11,988,816

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Solution

The third proportional to 8,622,540 and 11,988,816 is: 16,669,300.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622,540 : 11,988,816 = 11,988,816 : x
  2. Step 2: Convert to fraction form
    8,622,540/11,988,816 = 11,988,816/x
  3. Step 3: Cross multiply
    8,622,540x = 11,988,816 × 11,988,816
  4. Step 4: Simplify right side
    8,622,540x = 143,731,709,081,856
  5. Step 5: Solve for x
    x = 143,731,709,081,856/8,622,540
  6. Step 6: Final answer
    x = 16,669,300.35

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.