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Finding the Third Proportional to 190 and 456.50

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Solution

The third proportional to 190 and 456.50 is: 1,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190 : 456.50 = 456.50 : x
  2. Step 2: Convert to fraction form
    190/456.50 = 456.50/x
  3. Step 3: Cross multiply
    190x = 456.50 × 456.50
  4. Step 4: Simplify right side
    190x = 208,392.25
  5. Step 5: Solve for x
    x = 208,392.25/190
  6. Step 6: Final answer
    x = 1,096.80

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These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.