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Finding the Third Proportional to 8,129,515 and 11,888,936

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Solution

The third proportional to 8,129,515 and 11,888,936 is: 17,386,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,515 : 11,888,936 = 11,888,936 : x
  2. Step 2: Convert to fraction form
    8,129,515/11,888,936 = 11,888,936/x
  3. Step 3: Cross multiply
    8,129,515x = 11,888,936 × 11,888,936
  4. Step 4: Simplify right side
    8,129,515x = 141,346,799,212,096
  5. Step 5: Solve for x
    x = 141,346,799,212,096/8,129,515
  6. Step 6: Final answer
    x = 17,386,867.39

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.