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Finding the Third Proportional to 604.75 and 848.75

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Solution

The third proportional to 604.75 and 848.75 is: 1,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.75 : 848.75 = 848.75 : x
  2. Step 2: Convert to fraction form
    604.75/848.75 = 848.75/x
  3. Step 3: Cross multiply
    604.75x = 848.75 × 848.75
  4. Step 4: Simplify right side
    604.75x = 720,376.56
  5. Step 5: Solve for x
    x = 720,376.56/604.75
  6. Step 6: Final answer
    x = 1,191.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.