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Finding the Third Proportional to 388,188 and 617,273

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Solution

The third proportional to 388,188 and 617,273 is: 981,550.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,188 : 617,273 = 617,273 : x
  2. Step 2: Convert to fraction form
    388,188/617,273 = 617,273/x
  3. Step 3: Cross multiply
    388,188x = 617,273 × 617,273
  4. Step 4: Simplify right side
    388,188x = 381,025,956,529
  5. Step 5: Solve for x
    x = 381,025,956,529/388,188
  6. Step 6: Final answer
    x = 981,550.06

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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.