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Finding the Third Proportional to 18,751,137 and 28,176,630

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Solution

The third proportional to 18,751,137 and 28,176,630 is: 42,339,964.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751,137 : 28,176,630 = 28,176,630 : x
  2. Step 2: Convert to fraction form
    18,751,137/28,176,630 = 28,176,630/x
  3. Step 3: Cross multiply
    18,751,137x = 28,176,630 × 28,176,630
  4. Step 4: Simplify right side
    18,751,137x = 793,922,478,156,900
  5. Step 5: Solve for x
    x = 793,922,478,156,900/18,751,137
  6. Step 6: Final answer
    x = 42,339,964.67

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