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Finding the Third Proportional to 72,558.28 and 112,072.36

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Solution

The third proportional to 72,558.28 and 112,072.36 is: 173,105.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,558.28 : 112,072.36 = 112,072.36 : x
  2. Step 2: Convert to fraction form
    72,558.28/112,072.36 = 112,072.36/x
  3. Step 3: Cross multiply
    72,558.28x = 112,072.36 × 112,072.36
  4. Step 4: Simplify right side
    72,558.28x = 12,560,213,735.88
  5. Step 5: Solve for x
    x = 12,560,213,735.88/72,558.28
  6. Step 6: Final answer
    x = 173,105.17

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.