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Finding the Third Proportional to 483 and 612.50

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Solution

The third proportional to 483 and 612.50 is: 776.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    483 : 612.50 = 612.50 : x
  2. Step 2: Convert to fraction form
    483/612.50 = 612.50/x
  3. Step 3: Cross multiply
    483x = 612.50 × 612.50
  4. Step 4: Simplify right side
    483x = 375,156.25
  5. Step 5: Solve for x
    x = 375,156.25/483
  6. Step 6: Final answer
    x = 776.72

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These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.