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Finding the Third Proportional to 72,472.22 and 155,658.38

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Solution

The third proportional to 72,472.22 and 155,658.38 is: 334,328.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,472.22 : 155,658.38 = 155,658.38 : x
  2. Step 2: Convert to fraction form
    72,472.22/155,658.38 = 155,658.38/x
  3. Step 3: Cross multiply
    72,472.22x = 155,658.38 × 155,658.38
  4. Step 4: Simplify right side
    72,472.22x = 24,229,529,707.64
  5. Step 5: Solve for x
    x = 24,229,529,707.64/72,472.22
  6. Step 6: Final answer
    x = 334,328.52

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.