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Finding the Third Proportional to 958.50 and 1,377

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Solution

The third proportional to 958.50 and 1,377 is: 1,978.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.50 : 1,377 = 1,377 : x
  2. Step 2: Convert to fraction form
    958.50/1,377 = 1,377/x
  3. Step 3: Cross multiply
    958.50x = 1,377 × 1,377
  4. Step 4: Simplify right side
    958.50x = 1,896,129
  5. Step 5: Solve for x
    x = 1,896,129/958.50
  6. Step 6: Final answer
    x = 1,978.23

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