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Finding the Third Proportional to 111,624 and 163,305

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Solution

The third proportional to 111,624 and 163,305 is: 238,913.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,624 : 163,305 = 163,305 : x
  2. Step 2: Convert to fraction form
    111,624/163,305 = 163,305/x
  3. Step 3: Cross multiply
    111,624x = 163,305 × 163,305
  4. Step 4: Simplify right side
    111,624x = 26,668,523,025
  5. Step 5: Solve for x
    x = 26,668,523,025/111,624
  6. Step 6: Final answer
    x = 238,913.88

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.