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Finding the Third Proportional to 91,246,891.50 and 141,378,777

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Solution

The third proportional to 91,246,891.50 and 141,378,777 is: 219,053,583.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,246,891.50 : 141,378,777 = 141,378,777 : x
  2. Step 2: Convert to fraction form
    91,246,891.50/141,378,777 = 141,378,777/x
  3. Step 3: Cross multiply
    91,246,891.50x = 141,378,777 × 141,378,777
  4. Step 4: Simplify right side
    91,246,891.50x = 19,987,958,586,015,728
  5. Step 5: Solve for x
    x = 19,987,958,586,015,728/91,246,891.50
  6. Step 6: Final answer
    x = 219,053,583.72

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.