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Finding the Third Proportional to 8,326,533 and 12,489,799

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Solution

The third proportional to 8,326,533 and 12,489,799 is: 18,734,697.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326,533 : 12,489,799 = 12,489,799 : x
  2. Step 2: Convert to fraction form
    8,326,533/12,489,799 = 12,489,799/x
  3. Step 3: Cross multiply
    8,326,533x = 12,489,799 × 12,489,799
  4. Step 4: Simplify right side
    8,326,533x = 155,995,079,060,401
  5. Step 5: Solve for x
    x = 155,995,079,060,401/8,326,533
  6. Step 6: Final answer
    x = 18,734,697.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.