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Finding the Third Proportional to 36,959.25 and 81,072

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Solution

The third proportional to 36,959.25 and 81,072 is: 177,835.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,959.25 : 81,072 = 81,072 : x
  2. Step 2: Convert to fraction form
    36,959.25/81,072 = 81,072/x
  3. Step 3: Cross multiply
    36,959.25x = 81,072 × 81,072
  4. Step 4: Simplify right side
    36,959.25x = 6,572,669,184
  5. Step 5: Solve for x
    x = 6,572,669,184/36,959.25
  6. Step 6: Final answer
    x = 177,835.57

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.