Home / 68,145,021.75-148,778,906.25

Finding the Third Proportional to 68,145,021.75 and 148,778,906.25

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Solution

The third proportional to 68,145,021.75 and 148,778,906.25 is: 324,824,358.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,145,021.75 : 148,778,906.25 = 148,778,906.25 : x
  2. Step 2: Convert to fraction form
    68,145,021.75/148,778,906.25 = 148,778,906.25/x
  3. Step 3: Cross multiply
    68,145,021.75x = 148,778,906.25 × 148,778,906.25
  4. Step 4: Simplify right side
    68,145,021.75x = 22,135,162,944,946,288
  5. Step 5: Solve for x
    x = 22,135,162,944,946,288/68,145,021.75
  6. Step 6: Final answer
    x = 324,824,358.06

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.