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Finding the Third Proportional to 601.50 and 874.13

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Solution

The third proportional to 601.50 and 874.13 is: 1,270.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.50 : 874.13 = 874.13 : x
  2. Step 2: Convert to fraction form
    601.50/874.13 = 874.13/x
  3. Step 3: Cross multiply
    601.50x = 874.13 × 874.13
  4. Step 4: Simplify right side
    601.50x = 764,094.52
  5. Step 5: Solve for x
    x = 764,094.52/601.50
  6. Step 6: Final answer
    x = 1,270.32

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.