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Finding the Third Proportional to 143,904 and 223,392

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Solution

The third proportional to 143,904 and 223,392 is: 346,786.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,904 : 223,392 = 223,392 : x
  2. Step 2: Convert to fraction form
    143,904/223,392 = 223,392/x
  3. Step 3: Cross multiply
    143,904x = 223,392 × 223,392
  4. Step 4: Simplify right side
    143,904x = 49,903,985,664
  5. Step 5: Solve for x
    x = 49,903,985,664/143,904
  6. Step 6: Final answer
    x = 346,786.65

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.