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Finding the Third Proportional to 156,684 and 341,739

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Solution

The third proportional to 156,684 and 341,739 is: 745,357.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,684 : 341,739 = 341,739 : x
  2. Step 2: Convert to fraction form
    156,684/341,739 = 341,739/x
  3. Step 3: Cross multiply
    156,684x = 341,739 × 341,739
  4. Step 4: Simplify right side
    156,684x = 116,785,544,121
  5. Step 5: Solve for x
    x = 116,785,544,121/156,684
  6. Step 6: Final answer
    x = 745,357.18

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.