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Finding the Third Proportional to 236,676 and 355,128

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Solution

The third proportional to 236,676 and 355,128 is: 532,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,676 : 355,128 = 355,128 : x
  2. Step 2: Convert to fraction form
    236,676/355,128 = 355,128/x
  3. Step 3: Cross multiply
    236,676x = 355,128 × 355,128
  4. Step 4: Simplify right side
    236,676x = 126,115,896,384
  5. Step 5: Solve for x
    x = 126,115,896,384/236,676
  6. Step 6: Final answer
    x = 532,863.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.