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Finding the Third Proportional to 77,628.38 and 166,323.38

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Solution

The third proportional to 77,628.38 and 166,323.38 is: 356,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,628.38 : 166,323.38 = 166,323.38 : x
  2. Step 2: Convert to fraction form
    77,628.38/166,323.38 = 166,323.38/x
  3. Step 3: Cross multiply
    77,628.38x = 166,323.38 × 166,323.38
  4. Step 4: Simplify right side
    77,628.38x = 27,663,465,071.39
  5. Step 5: Solve for x
    x = 27,663,465,071.39/77,628.38
  6. Step 6: Final answer
    x = 356,357.65

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.