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Finding the Third Proportional to 573.19 and 622.97

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Solution

The third proportional to 573.19 and 622.97 is: 677.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.19 : 622.97 = 622.97 : x
  2. Step 2: Convert to fraction form
    573.19/622.97 = 622.97/x
  3. Step 3: Cross multiply
    573.19x = 622.97 × 622.97
  4. Step 4: Simplify right side
    573.19x = 388,090.06
  5. Step 5: Solve for x
    x = 388,090.06/573.19
  6. Step 6: Final answer
    x = 677.07

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.