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Finding the Third Proportional to 8,391,096 and 18,351,000

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Solution

The third proportional to 8,391,096 and 18,351,000 is: 40,132,921.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391,096 : 18,351,000 = 18,351,000 : x
  2. Step 2: Convert to fraction form
    8,391,096/18,351,000 = 18,351,000/x
  3. Step 3: Cross multiply
    8,391,096x = 18,351,000 × 18,351,000
  4. Step 4: Simplify right side
    8,391,096x = 336,759,201,000,000
  5. Step 5: Solve for x
    x = 336,759,201,000,000/8,391,096
  6. Step 6: Final answer
    x = 40,132,921.97

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.