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Finding the Third Proportional to 253,833 and 336,940

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Solution

The third proportional to 253,833 and 336,940 is: 447,256.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,833 : 336,940 = 336,940 : x
  2. Step 2: Convert to fraction form
    253,833/336,940 = 336,940/x
  3. Step 3: Cross multiply
    253,833x = 336,940 × 336,940
  4. Step 4: Simplify right side
    253,833x = 113,528,563,600
  5. Step 5: Solve for x
    x = 113,528,563,600/253,833
  6. Step 6: Final answer
    x = 447,256.91

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.