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Finding the Third Proportional to 173,243,891 and 385,222,225

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Solution

The third proportional to 173,243,891 and 385,222,225 is: 856,573,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,243,891 : 385,222,225 = 385,222,225 : x
  2. Step 2: Convert to fraction form
    173,243,891/385,222,225 = 385,222,225/x
  3. Step 3: Cross multiply
    173,243,891x = 385,222,225 × 385,222,225
  4. Step 4: Simplify right side
    173,243,891x = 148,396,162,633,950,624
  5. Step 5: Solve for x
    x = 148,396,162,633,950,624/173,243,891
  6. Step 6: Final answer
    x = 856,573,711.07

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.