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Finding the Third Proportional to 429.50 and 946

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Solution

The third proportional to 429.50 and 946 is: 2,083.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.50 : 946 = 946 : x
  2. Step 2: Convert to fraction form
    429.50/946 = 946/x
  3. Step 3: Cross multiply
    429.50x = 946 × 946
  4. Step 4: Simplify right side
    429.50x = 894,916
  5. Step 5: Solve for x
    x = 894,916/429.50
  6. Step 6: Final answer
    x = 2,083.62

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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.