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Finding the Third Proportional to 1,147.50 and 1,954.13

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Solution

The third proportional to 1,147.50 and 1,954.13 is: 3,327.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147.50 : 1,954.13 = 1,954.13 : x
  2. Step 2: Convert to fraction form
    1,147.50/1,954.13 = 1,954.13/x
  3. Step 3: Cross multiply
    1,147.50x = 1,954.13 × 1,954.13
  4. Step 4: Simplify right side
    1,147.50x = 3,818,604.52
  5. Step 5: Solve for x
    x = 3,818,604.52/1,147.50
  6. Step 6: Final answer
    x = 3,327.76

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These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.