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Finding the Third Proportional to 156,922 and 223,623

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Solution

The third proportional to 156,922 and 223,623 is: 318,675.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,922 : 223,623 = 223,623 : x
  2. Step 2: Convert to fraction form
    156,922/223,623 = 223,623/x
  3. Step 3: Cross multiply
    156,922x = 223,623 × 223,623
  4. Step 4: Simplify right side
    156,922x = 50,007,246,129
  5. Step 5: Solve for x
    x = 50,007,246,129/156,922
  6. Step 6: Final answer
    x = 318,675.81

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.