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Finding the Third Proportional to 2,912 and 4,494

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Solution

The third proportional to 2,912 and 4,494 is: 6,935.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912 : 4,494 = 4,494 : x
  2. Step 2: Convert to fraction form
    2,912/4,494 = 4,494/x
  3. Step 3: Cross multiply
    2,912x = 4,494 × 4,494
  4. Step 4: Simplify right side
    2,912x = 20,196,036
  5. Step 5: Solve for x
    x = 20,196,036/2,912
  6. Step 6: Final answer
    x = 6,935.45

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.