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Finding the Third Proportional to 922.22 and 1,243.27

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Solution

The third proportional to 922.22 and 1,243.27 is: 1,676.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    922.22 : 1,243.27 = 1,243.27 : x
  2. Step 2: Convert to fraction form
    922.22/1,243.27 = 1,243.27/x
  3. Step 3: Cross multiply
    922.22x = 1,243.27 × 1,243.27
  4. Step 4: Simplify right side
    922.22x = 1,545,709.41
  5. Step 5: Solve for x
    x = 1,545,709.41/922.22
  6. Step 6: Final answer
    x = 1,676.08

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.