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Finding the Third Proportional to 110,838 and 167,421

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Solution

The third proportional to 110,838 and 167,421 is: 252,889.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,838 : 167,421 = 167,421 : x
  2. Step 2: Convert to fraction form
    110,838/167,421 = 167,421/x
  3. Step 3: Cross multiply
    110,838x = 167,421 × 167,421
  4. Step 4: Simplify right side
    110,838x = 28,029,791,241
  5. Step 5: Solve for x
    x = 28,029,791,241/110,838
  6. Step 6: Final answer
    x = 252,889.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.