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Finding the Third Proportional to 368.63 and 571.13

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Solution

The third proportional to 368.63 and 571.13 is: 884.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.63 : 571.13 = 571.13 : x
  2. Step 2: Convert to fraction form
    368.63/571.13 = 571.13/x
  3. Step 3: Cross multiply
    368.63x = 571.13 × 571.13
  4. Step 4: Simplify right side
    368.63x = 326,183.77
  5. Step 5: Solve for x
    x = 326,183.77/368.63
  6. Step 6: Final answer
    x = 884.87

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.