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Finding the Third Proportional to 8,129,439 and 11,888,829

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Solution

The third proportional to 8,129,439 and 11,888,829 is: 17,386,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,439 : 11,888,829 = 11,888,829 : x
  2. Step 2: Convert to fraction form
    8,129,439/11,888,829 = 11,888,829/x
  3. Step 3: Cross multiply
    8,129,439x = 11,888,829 × 11,888,829
  4. Step 4: Simplify right side
    8,129,439x = 141,344,254,991,241
  5. Step 5: Solve for x
    x = 141,344,254,991,241/8,129,439
  6. Step 6: Final answer
    x = 17,386,716.97

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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.