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Finding the Third Proportional to 72,220.36 and 108,548.86

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Solution

The third proportional to 72,220.36 and 108,548.86 is: 163,151.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,220.36 : 108,548.86 = 108,548.86 : x
  2. Step 2: Convert to fraction form
    72,220.36/108,548.86 = 108,548.86/x
  3. Step 3: Cross multiply
    72,220.36x = 108,548.86 × 108,548.86
  4. Step 4: Simplify right side
    72,220.36x = 11,782,854,871.61
  5. Step 5: Solve for x
    x = 11,782,854,871.61/72,220.36
  6. Step 6: Final answer
    x = 163,151.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.