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Finding the Third Proportional to 18,819,324 and 28,769,891

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Solution

The third proportional to 18,819,324 and 28,769,891 is: 43,981,740.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,819,324 : 28,769,891 = 28,769,891 : x
  2. Step 2: Convert to fraction form
    18,819,324/28,769,891 = 28,769,891/x
  3. Step 3: Cross multiply
    18,819,324x = 28,769,891 × 28,769,891
  4. Step 4: Simplify right side
    18,819,324x = 827,706,628,151,881
  5. Step 5: Solve for x
    x = 827,706,628,151,881/18,819,324
  6. Step 6: Final answer
    x = 43,981,740.69

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.