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Finding the Third Proportional to 18,751,220 and 28,176,764

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Solution

The third proportional to 18,751,220 and 28,176,764 is: 42,340,179.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751,220 : 28,176,764 = 28,176,764 : x
  2. Step 2: Convert to fraction form
    18,751,220/28,176,764 = 28,176,764/x
  3. Step 3: Cross multiply
    18,751,220x = 28,176,764 × 28,176,764
  4. Step 4: Simplify right side
    18,751,220x = 793,930,029,511,696
  5. Step 5: Solve for x
    x = 793,930,029,511,696/18,751,220
  6. Step 6: Final answer
    x = 42,340,179.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.