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Finding the Third Proportional to 813 and 1,467

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Solution

The third proportional to 813 and 1,467 is: 2,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    813 : 1,467 = 1,467 : x
  2. Step 2: Convert to fraction form
    813/1,467 = 1,467/x
  3. Step 3: Cross multiply
    813x = 1,467 × 1,467
  4. Step 4: Simplify right side
    813x = 2,152,089
  5. Step 5: Solve for x
    x = 2,152,089/813
  6. Step 6: Final answer
    x = 2,647.10

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.