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Finding the Third Proportional to 19,183,231 and 40,139,965

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Solution

The third proportional to 19,183,231 and 40,139,965 is: 83,990,897.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183,231 : 40,139,965 = 40,139,965 : x
  2. Step 2: Convert to fraction form
    19,183,231/40,139,965 = 40,139,965/x
  3. Step 3: Cross multiply
    19,183,231x = 40,139,965 × 40,139,965
  4. Step 4: Simplify right side
    19,183,231x = 1,611,216,790,201,225
  5. Step 5: Solve for x
    x = 1,611,216,790,201,225/19,183,231
  6. Step 6: Final answer
    x = 83,990,897.58

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.