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Finding the Third Proportional to 20,389,788 and 31,498,704

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Solution

The third proportional to 20,389,788 and 31,498,704 is: 48,660,062.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,389,788 : 31,498,704 = 31,498,704 : x
  2. Step 2: Convert to fraction form
    20,389,788/31,498,704 = 31,498,704/x
  3. Step 3: Cross multiply
    20,389,788x = 31,498,704 × 31,498,704
  4. Step 4: Simplify right side
    20,389,788x = 992,168,353,679,616
  5. Step 5: Solve for x
    x = 992,168,353,679,616/20,389,788
  6. Step 6: Final answer
    x = 48,660,062.27

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.