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Finding the Third Proportional to 604.50 and 1,297.50

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Solution

The third proportional to 604.50 and 1,297.50 is: 2,784.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.50 : 1,297.50 = 1,297.50 : x
  2. Step 2: Convert to fraction form
    604.50/1,297.50 = 1,297.50/x
  3. Step 3: Cross multiply
    604.50x = 1,297.50 × 1,297.50
  4. Step 4: Simplify right side
    604.50x = 1,683,506.25
  5. Step 5: Solve for x
    x = 1,683,506.25/604.50
  6. Step 6: Final answer
    x = 2,784.96

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.