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Finding the Third Proportional to 5,309,089 and 8,198,336

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Solution

The third proportional to 5,309,089 and 8,198,336 is: 12,659,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309,089 : 8,198,336 = 8,198,336 : x
  2. Step 2: Convert to fraction form
    5,309,089/8,198,336 = 8,198,336/x
  3. Step 3: Cross multiply
    5,309,089x = 8,198,336 × 8,198,336
  4. Step 4: Simplify right side
    5,309,089x = 67,212,713,168,896
  5. Step 5: Solve for x
    x = 67,212,713,168,896/5,309,089
  6. Step 6: Final answer
    x = 12,659,933.40

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.