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Finding the Third Proportional to 174,981.38 and 279,087.75

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Solution

The third proportional to 174,981.38 and 279,087.75 is: 445,132.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,981.38 : 279,087.75 = 279,087.75 : x
  2. Step 2: Convert to fraction form
    174,981.38/279,087.75 = 279,087.75/x
  3. Step 3: Cross multiply
    174,981.38x = 279,087.75 × 279,087.75
  4. Step 4: Simplify right side
    174,981.38x = 77,889,972,200.06
  5. Step 5: Solve for x
    x = 77,889,972,200.06/174,981.38
  6. Step 6: Final answer
    x = 445,132.93

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.