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Finding the Third Proportional to 232.31 and 491.06

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Solution

The third proportional to 232.31 and 491.06 is: 1,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.31 : 491.06 = 491.06 : x
  2. Step 2: Convert to fraction form
    232.31/491.06 = 491.06/x
  3. Step 3: Cross multiply
    232.31x = 491.06 × 491.06
  4. Step 4: Simplify right side
    232.31x = 241,142.38
  5. Step 5: Solve for x
    x = 241,142.38/232.31
  6. Step 6: Final answer
    x = 1,038.01

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.