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Finding the Third Proportional to 452.38 and 681.94

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Solution

The third proportional to 452.38 and 681.94 is: 1,027.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.38 : 681.94 = 681.94 : x
  2. Step 2: Convert to fraction form
    452.38/681.94 = 681.94/x
  3. Step 3: Cross multiply
    452.38x = 681.94 × 681.94
  4. Step 4: Simplify right side
    452.38x = 465,038.75
  5. Step 5: Solve for x
    x = 465,038.75/452.38
  6. Step 6: Final answer
    x = 1,027.99

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.