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Finding the Third Proportional to 193,800 and 417,280

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Solution

The third proportional to 193,800 and 417,280 is: 898,465.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,800 : 417,280 = 417,280 : x
  2. Step 2: Convert to fraction form
    193,800/417,280 = 417,280/x
  3. Step 3: Cross multiply
    193,800x = 417,280 × 417,280
  4. Step 4: Simplify right side
    193,800x = 174,122,598,400
  5. Step 5: Solve for x
    x = 174,122,598,400/193,800
  6. Step 6: Final answer
    x = 898,465.42

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.