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Finding the Third Proportional to 250 and 410.50

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Solution

The third proportional to 250 and 410.50 is: 674.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    250 : 410.50 = 410.50 : x
  2. Step 2: Convert to fraction form
    250/410.50 = 410.50/x
  3. Step 3: Cross multiply
    250x = 410.50 × 410.50
  4. Step 4: Simplify right side
    250x = 168,510.25
  5. Step 5: Solve for x
    x = 168,510.25/250
  6. Step 6: Final answer
    x = 674.04

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These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.