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Finding the Third Proportional to 362 and 419.50

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Solution

The third proportional to 362 and 419.50 is: 486.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    362 : 419.50 = 419.50 : x
  2. Step 2: Convert to fraction form
    362/419.50 = 419.50/x
  3. Step 3: Cross multiply
    362x = 419.50 × 419.50
  4. Step 4: Simplify right side
    362x = 175,980.25
  5. Step 5: Solve for x
    x = 175,980.25/362
  6. Step 6: Final answer
    x = 486.13

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These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.