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Finding the Third Proportional to 135,747,700 and 287,783,892

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Solution

The third proportional to 135,747,700 and 287,783,892 is: 610,099,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,747,700 : 287,783,892 = 287,783,892 : x
  2. Step 2: Convert to fraction form
    135,747,700/287,783,892 = 287,783,892/x
  3. Step 3: Cross multiply
    135,747,700x = 287,783,892 × 287,783,892
  4. Step 4: Simplify right side
    135,747,700x = 82,819,568,494,667,664
  5. Step 5: Solve for x
    x = 82,819,568,494,667,664/135,747,700
  6. Step 6: Final answer
    x = 610,099,239.21

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.