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Finding the Third Proportional to 89,311,728 and 191,545,959

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Solution

The third proportional to 89,311,728 and 191,545,959 is: 410,806,679.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,311,728 : 191,545,959 = 191,545,959 : x
  2. Step 2: Convert to fraction form
    89,311,728/191,545,959 = 191,545,959/x
  3. Step 3: Cross multiply
    89,311,728x = 191,545,959 × 191,545,959
  4. Step 4: Simplify right side
    89,311,728x = 36,689,854,409,229,680
  5. Step 5: Solve for x
    x = 36,689,854,409,229,680/89,311,728
  6. Step 6: Final answer
    x = 410,806,679.38

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.