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Finding the Third Proportional to 156,727 and 235,469

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Solution

The third proportional to 156,727 and 235,469 is: 353,772.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,727 : 235,469 = 235,469 : x
  2. Step 2: Convert to fraction form
    156,727/235,469 = 235,469/x
  3. Step 3: Cross multiply
    156,727x = 235,469 × 235,469
  4. Step 4: Simplify right side
    156,727x = 55,445,649,961
  5. Step 5: Solve for x
    x = 55,445,649,961/156,727
  6. Step 6: Final answer
    x = 353,772.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.