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Finding the Third Proportional to 183.50 and 482.50

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Solution

The third proportional to 183.50 and 482.50 is: 1,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.50 : 482.50 = 482.50 : x
  2. Step 2: Convert to fraction form
    183.50/482.50 = 482.50/x
  3. Step 3: Cross multiply
    183.50x = 482.50 × 482.50
  4. Step 4: Simplify right side
    183.50x = 232,806.25
  5. Step 5: Solve for x
    x = 232,806.25/183.50
  6. Step 6: Final answer
    x = 1,268.70

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Why These Related Problems?

These problems maintain the same ratio (2.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.