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Finding the Third Proportional to 163,174 and 252,147

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Solution

The third proportional to 163,174 and 252,147 is: 389,633.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,174 : 252,147 = 252,147 : x
  2. Step 2: Convert to fraction form
    163,174/252,147 = 252,147/x
  3. Step 3: Cross multiply
    163,174x = 252,147 × 252,147
  4. Step 4: Simplify right side
    163,174x = 63,578,109,609
  5. Step 5: Solve for x
    x = 63,578,109,609/163,174
  6. Step 6: Final answer
    x = 389,633.82

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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.