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Finding the Third Proportional to 719.94 and 1,575.25

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Solution

The third proportional to 719.94 and 1,575.25 is: 3,446.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    719.94 : 1,575.25 = 1,575.25 : x
  2. Step 2: Convert to fraction form
    719.94/1,575.25 = 1,575.25/x
  3. Step 3: Cross multiply
    719.94x = 1,575.25 × 1,575.25
  4. Step 4: Simplify right side
    719.94x = 2,481,412.56
  5. Step 5: Solve for x
    x = 2,481,412.56/719.94
  6. Step 6: Final answer
    x = 3,446.71

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.