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Finding the Third Proportional to 155,861 and 336,591

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Solution

The third proportional to 155,861 and 336,591 is: 726,888.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,861 : 336,591 = 336,591 : x
  2. Step 2: Convert to fraction form
    155,861/336,591 = 336,591/x
  3. Step 3: Cross multiply
    155,861x = 336,591 × 336,591
  4. Step 4: Simplify right side
    155,861x = 113,293,501,281
  5. Step 5: Solve for x
    x = 113,293,501,281/155,861
  6. Step 6: Final answer
    x = 726,888.07

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.