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Finding the Third Proportional to 169,619 and 230,356

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Solution

The third proportional to 169,619 and 230,356 is: 312,841.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,619 : 230,356 = 230,356 : x
  2. Step 2: Convert to fraction form
    169,619/230,356 = 230,356/x
  3. Step 3: Cross multiply
    169,619x = 230,356 × 230,356
  4. Step 4: Simplify right side
    169,619x = 53,063,886,736
  5. Step 5: Solve for x
    x = 53,063,886,736/169,619
  6. Step 6: Final answer
    x = 312,841.64

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.