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Finding the Third Proportional to 326.63 and 719

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Solution

The third proportional to 326.63 and 719 is: 1,582.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    326.63 : 719 = 719 : x
  2. Step 2: Convert to fraction form
    326.63/719 = 719/x
  3. Step 3: Cross multiply
    326.63x = 719 × 719
  4. Step 4: Simplify right side
    326.63x = 516,961
  5. Step 5: Solve for x
    x = 516,961/326.63
  6. Step 6: Final answer
    x = 1,582.74

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.