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Finding the Third Proportional to 430.73 and 922.22

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Solution

The third proportional to 430.73 and 922.22 is: 1,974.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    430.73 : 922.22 = 922.22 : x
  2. Step 2: Convert to fraction form
    430.73/922.22 = 922.22/x
  3. Step 3: Cross multiply
    430.73x = 922.22 × 922.22
  4. Step 4: Simplify right side
    430.73x = 850,487.42
  5. Step 5: Solve for x
    x = 850,487.42/430.73
  6. Step 6: Final answer
    x = 1,974.51

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.