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Finding the Third Proportional to 297.75 and 719.06

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Solution

The third proportional to 297.75 and 719.06 is: 1,736.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.75 : 719.06 = 719.06 : x
  2. Step 2: Convert to fraction form
    297.75/719.06 = 719.06/x
  3. Step 3: Cross multiply
    297.75x = 719.06 × 719.06
  4. Step 4: Simplify right side
    297.75x = 517,050.88
  5. Step 5: Solve for x
    x = 517,050.88/297.75
  6. Step 6: Final answer
    x = 1,736.53

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.