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Finding the Third Proportional to 431 and 946

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Solution

The third proportional to 431 and 946 is: 2,076.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    431 : 946 = 946 : x
  2. Step 2: Convert to fraction form
    431/946 = 946/x
  3. Step 3: Cross multiply
    431x = 946 × 946
  4. Step 4: Simplify right side
    431x = 894,916
  5. Step 5: Solve for x
    x = 894,916/431
  6. Step 6: Final answer
    x = 2,076.37

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.