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Finding the Third Proportional to 18,339,134 and 39,384,124

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Solution

The third proportional to 18,339,134 and 39,384,124 is: 84,579,196.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339,134 : 39,384,124 = 39,384,124 : x
  2. Step 2: Convert to fraction form
    18,339,134/39,384,124 = 39,384,124/x
  3. Step 3: Cross multiply
    18,339,134x = 39,384,124 × 39,384,124
  4. Step 4: Simplify right side
    18,339,134x = 1,551,109,223,247,376
  5. Step 5: Solve for x
    x = 1,551,109,223,247,376/18,339,134
  6. Step 6: Final answer
    x = 84,579,196.77

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.