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Finding the Third Proportional to 40,223.25 and 85,788

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Solution

The third proportional to 40,223.25 and 85,788 is: 182,968.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,223.25 : 85,788 = 85,788 : x
  2. Step 2: Convert to fraction form
    40,223.25/85,788 = 85,788/x
  3. Step 3: Cross multiply
    40,223.25x = 85,788 × 85,788
  4. Step 4: Simplify right side
    40,223.25x = 7,359,580,944
  5. Step 5: Solve for x
    x = 7,359,580,944/40,223.25
  6. Step 6: Final answer
    x = 182,968.33

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.