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Finding the Third Proportional to 197,165 and 427,545

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Solution

The third proportional to 197,165 and 427,545 is: 927,115.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,165 : 427,545 = 427,545 : x
  2. Step 2: Convert to fraction form
    197,165/427,545 = 427,545/x
  3. Step 3: Cross multiply
    197,165x = 427,545 × 427,545
  4. Step 4: Simplify right side
    197,165x = 182,794,727,025
  5. Step 5: Solve for x
    x = 182,794,727,025/197,165
  6. Step 6: Final answer
    x = 927,115.50

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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.