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Finding the Third Proportional to 156,963 and 322,194

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Solution

The third proportional to 156,963 and 322,194 is: 661,359.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,963 : 322,194 = 322,194 : x
  2. Step 2: Convert to fraction form
    156,963/322,194 = 322,194/x
  3. Step 3: Cross multiply
    156,963x = 322,194 × 322,194
  4. Step 4: Simplify right side
    156,963x = 103,808,973,636
  5. Step 5: Solve for x
    x = 103,808,973,636/156,963
  6. Step 6: Final answer
    x = 661,359.52

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.