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Finding the Third Proportional to 90,852,237 and 198,147,777

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Solution

The third proportional to 90,852,237 and 198,147,777 is: 432,158,225.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,852,237 : 198,147,777 = 198,147,777 : x
  2. Step 2: Convert to fraction form
    90,852,237/198,147,777 = 198,147,777/x
  3. Step 3: Cross multiply
    90,852,237x = 198,147,777 × 198,147,777
  4. Step 4: Simplify right side
    90,852,237x = 39,262,541,530,041,728
  5. Step 5: Solve for x
    x = 39,262,541,530,041,728/90,852,237
  6. Step 6: Final answer
    x = 432,158,225.56

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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.