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Finding the Third Proportional to 156,744 and 339,732

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Solution

The third proportional to 156,744 and 339,732 is: 736,346.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,744 : 339,732 = 339,732 : x
  2. Step 2: Convert to fraction form
    156,744/339,732 = 339,732/x
  3. Step 3: Cross multiply
    156,744x = 339,732 × 339,732
  4. Step 4: Simplify right side
    156,744x = 115,417,831,824
  5. Step 5: Solve for x
    x = 115,417,831,824/156,744
  6. Step 6: Final answer
    x = 736,346.09

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.