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Finding the Third Proportional to 193,693 and 419,557

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Solution

The third proportional to 193,693 and 419,557 is: 908,799.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,693 : 419,557 = 419,557 : x
  2. Step 2: Convert to fraction form
    193,693/419,557 = 419,557/x
  3. Step 3: Cross multiply
    193,693x = 419,557 × 419,557
  4. Step 4: Simplify right side
    193,693x = 176,028,076,249
  5. Step 5: Solve for x
    x = 176,028,076,249/193,693
  6. Step 6: Final answer
    x = 908,799.37

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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.