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Finding the Third Proportional to 261.94 and 376.03

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Solution

The third proportional to 261.94 and 376.03 is: 539.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    261.94 : 376.03 = 376.03 : x
  2. Step 2: Convert to fraction form
    261.94/376.03 = 376.03/x
  3. Step 3: Cross multiply
    261.94x = 376.03 × 376.03
  4. Step 4: Simplify right side
    261.94x = 141,399.50
  5. Step 5: Solve for x
    x = 141,399.50/261.94
  6. Step 6: Final answer
    x = 539.82

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.