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Finding the Third Proportional to 73,578.38 and 158,917.50

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Solution

The third proportional to 73,578.38 and 158,917.50 is: 343,236.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,578.38 : 158,917.50 = 158,917.50 : x
  2. Step 2: Convert to fraction form
    73,578.38/158,917.50 = 158,917.50/x
  3. Step 3: Cross multiply
    73,578.38x = 158,917.50 × 158,917.50
  4. Step 4: Simplify right side
    73,578.38x = 25,254,771,806.25
  5. Step 5: Solve for x
    x = 25,254,771,806.25/73,578.38
  6. Step 6: Final answer
    x = 343,236.34

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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.