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Finding the Third Proportional to 72,222.75 and 168,747.75

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Solution

The third proportional to 72,222.75 and 168,747.75 is: 394,277.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,222.75 : 168,747.75 = 168,747.75 : x
  2. Step 2: Convert to fraction form
    72,222.75/168,747.75 = 168,747.75/x
  3. Step 3: Cross multiply
    72,222.75x = 168,747.75 × 168,747.75
  4. Step 4: Simplify right side
    72,222.75x = 28,475,803,130.06
  5. Step 5: Solve for x
    x = 28,475,803,130.06/72,222.75
  6. Step 6: Final answer
    x = 394,277.47

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.