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Finding the Third Proportional to 890.25 and 1,474.13

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Solution

The third proportional to 890.25 and 1,474.13 is: 2,440.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    890.25 : 1,474.13 = 1,474.13 : x
  2. Step 2: Convert to fraction form
    890.25/1,474.13 = 1,474.13/x
  3. Step 3: Cross multiply
    890.25x = 1,474.13 × 1,474.13
  4. Step 4: Simplify right side
    890.25x = 2,173,044.52
  5. Step 5: Solve for x
    x = 2,173,044.52/890.25
  6. Step 6: Final answer
    x = 2,440.94

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.