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Finding the Third Proportional to 8,622,288 and 11,988,486

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Solution

The third proportional to 8,622,288 and 11,988,486 is: 16,668,869.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622,288 : 11,988,486 = 11,988,486 : x
  2. Step 2: Convert to fraction form
    8,622,288/11,988,486 = 11,988,486/x
  3. Step 3: Cross multiply
    8,622,288x = 11,988,486 × 11,988,486
  4. Step 4: Simplify right side
    8,622,288x = 143,723,796,572,196
  5. Step 5: Solve for x
    x = 143,723,796,572,196/8,622,288
  6. Step 6: Final answer
    x = 16,668,869.86

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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.