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Finding the Third Proportional to 453.38 and 983.53

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Solution

The third proportional to 453.38 and 983.53 is: 2,133.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.38 : 983.53 = 983.53 : x
  2. Step 2: Convert to fraction form
    453.38/983.53 = 983.53/x
  3. Step 3: Cross multiply
    453.38x = 983.53 × 983.53
  4. Step 4: Simplify right side
    453.38x = 967,333.72
  5. Step 5: Solve for x
    x = 967,333.72/453.38
  6. Step 6: Final answer
    x = 2,133.63

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.