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Finding the Third Proportional to 18,558,864 and 28,392,984

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Solution

The third proportional to 18,558,864 and 28,392,984 is: 43,438,086.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558,864 : 28,392,984 = 28,392,984 : x
  2. Step 2: Convert to fraction form
    18,558,864/28,392,984 = 28,392,984/x
  3. Step 3: Cross multiply
    18,558,864x = 28,392,984 × 28,392,984
  4. Step 4: Simplify right side
    18,558,864x = 806,161,540,424,256
  5. Step 5: Solve for x
    x = 806,161,540,424,256/18,558,864
  6. Step 6: Final answer
    x = 43,438,086.54

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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.