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Finding the Third Proportional to 156,962 and 340,028

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Solution

The third proportional to 156,962 and 340,028 is: 736,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,962 : 340,028 = 340,028 : x
  2. Step 2: Convert to fraction form
    156,962/340,028 = 340,028/x
  3. Step 3: Cross multiply
    156,962x = 340,028 × 340,028
  4. Step 4: Simplify right side
    156,962x = 115,619,040,784
  5. Step 5: Solve for x
    x = 115,619,040,784/156,962
  6. Step 6: Final answer
    x = 736,605.30

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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.