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Finding the Third Proportional to 18,277,790 and 28,392,839

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Solution

The third proportional to 18,277,790 and 28,392,839 is: 44,105,622.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277,790 : 28,392,839 = 28,392,839 : x
  2. Step 2: Convert to fraction form
    18,277,790/28,392,839 = 28,392,839/x
  3. Step 3: Cross multiply
    18,277,790x = 28,392,839 × 28,392,839
  4. Step 4: Simplify right side
    18,277,790x = 806,153,306,479,921
  5. Step 5: Solve for x
    x = 806,153,306,479,921/18,277,790
  6. Step 6: Final answer
    x = 44,105,622.53

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.