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Finding the Third Proportional to 156,438 and 224,181

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Solution

The third proportional to 156,438 and 224,181 is: 321,259.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,438 : 224,181 = 224,181 : x
  2. Step 2: Convert to fraction form
    156,438/224,181 = 224,181/x
  3. Step 3: Cross multiply
    156,438x = 224,181 × 224,181
  4. Step 4: Simplify right side
    156,438x = 50,257,120,761
  5. Step 5: Solve for x
    x = 50,257,120,761/156,438
  6. Step 6: Final answer
    x = 321,259.03

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.