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Finding the Third Proportional to 139,476.94 and 301,092.19

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Solution

The third proportional to 139,476.94 and 301,092.19 is: 649,974.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,476.94 : 301,092.19 = 301,092.19 : x
  2. Step 2: Convert to fraction form
    139,476.94/301,092.19 = 301,092.19/x
  3. Step 3: Cross multiply
    139,476.94x = 301,092.19 × 301,092.19
  4. Step 4: Simplify right side
    139,476.94x = 90,656,505,373.54
  5. Step 5: Solve for x
    x = 90,656,505,373.54/139,476.94
  6. Step 6: Final answer
    x = 649,974.88

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.