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Finding the Third Proportional to 622.97 and 922.36

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Solution

The third proportional to 622.97 and 922.36 is: 1,365.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.97 : 922.36 = 922.36 : x
  2. Step 2: Convert to fraction form
    622.97/922.36 = 922.36/x
  3. Step 3: Cross multiply
    622.97x = 922.36 × 922.36
  4. Step 4: Simplify right side
    622.97x = 850,746.82
  5. Step 5: Solve for x
    x = 850,746.82/622.97
  6. Step 6: Final answer
    x = 1,365.63

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.