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Finding the Third Proportional to 8,070,408 and 11,991,278

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Solution

The third proportional to 8,070,408 and 11,991,278 is: 17,817,035.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070,408 : 11,991,278 = 11,991,278 : x
  2. Step 2: Convert to fraction form
    8,070,408/11,991,278 = 11,991,278/x
  3. Step 3: Cross multiply
    8,070,408x = 11,991,278 × 11,991,278
  4. Step 4: Simplify right side
    8,070,408x = 143,790,748,073,284
  5. Step 5: Solve for x
    x = 143,790,748,073,284/8,070,408
  6. Step 6: Final answer
    x = 17,817,035.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.