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Finding the Third Proportional to 18,751,145 and 28,176,644

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Solution

The third proportional to 18,751,145 and 28,176,644 is: 42,339,988.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751,145 : 28,176,644 = 28,176,644 : x
  2. Step 2: Convert to fraction form
    18,751,145/28,176,644 = 28,176,644/x
  3. Step 3: Cross multiply
    18,751,145x = 28,176,644 × 28,176,644
  4. Step 4: Simplify right side
    18,751,145x = 793,923,267,102,736
  5. Step 5: Solve for x
    x = 793,923,267,102,736/18,751,145
  6. Step 6: Final answer
    x = 42,339,988.68

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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.