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Finding the Third Proportional to 8,622,459 and 11,988,715.50

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Solution

The third proportional to 8,622,459 and 11,988,715.50 is: 16,669,177.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622,459 : 11,988,715.50 = 11,988,715.50 : x
  2. Step 2: Convert to fraction form
    8,622,459/11,988,715.50 = 11,988,715.50/x
  3. Step 3: Cross multiply
    8,622,459x = 11,988,715.50 × 11,988,715.50
  4. Step 4: Simplify right side
    8,622,459x = 143,729,299,339,940.25
  5. Step 5: Solve for x
    x = 143,729,299,339,940.25/8,622,459
  6. Step 6: Final answer
    x = 16,669,177.47

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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.