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Finding the Third Proportional to 8,739,438 and 13,230,615

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Solution

The third proportional to 8,739,438 and 13,230,615 is: 20,029,797.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739,438 : 13,230,615 = 13,230,615 : x
  2. Step 2: Convert to fraction form
    8,739,438/13,230,615 = 13,230,615/x
  3. Step 3: Cross multiply
    8,739,438x = 13,230,615 × 13,230,615
  4. Step 4: Simplify right side
    8,739,438x = 175,049,173,278,225
  5. Step 5: Solve for x
    x = 175,049,173,278,225/8,739,438
  6. Step 6: Final answer
    x = 20,029,797.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.