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Finding the Third Proportional to 68,131,809 and 149,452,993.13

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Solution

The third proportional to 68,131,809 and 149,452,993.13 is: 327,838,016.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,131,809 : 149,452,993.13 = 149,452,993.13 : x
  2. Step 2: Convert to fraction form
    68,131,809/149,452,993.13 = 149,452,993.13/x
  3. Step 3: Cross multiply
    68,131,809x = 149,452,993.13 × 149,452,993.13
  4. Step 4: Simplify right side
    68,131,809x = 22,336,197,154,021,296
  5. Step 5: Solve for x
    x = 22,336,197,154,021,296/68,131,809
  6. Step 6: Final answer
    x = 327,838,016.95

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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.