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Finding the Third Proportional to 156,716 and 344,536

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Solution

The third proportional to 156,716 and 344,536 is: 757,453.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,716 : 344,536 = 344,536 : x
  2. Step 2: Convert to fraction form
    156,716/344,536 = 344,536/x
  3. Step 3: Cross multiply
    156,716x = 344,536 × 344,536
  4. Step 4: Simplify right side
    156,716x = 118,705,055,296
  5. Step 5: Solve for x
    x = 118,705,055,296/156,716
  6. Step 6: Final answer
    x = 757,453.33

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.