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Finding the Third Proportional to 1,816 and 4,516

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Solution

The third proportional to 1,816 and 4,516 is: 11,230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816 : 4,516 = 4,516 : x
  2. Step 2: Convert to fraction form
    1,816/4,516 = 4,516/x
  3. Step 3: Cross multiply
    1,816x = 4,516 × 4,516
  4. Step 4: Simplify right side
    1,816x = 20,394,256
  5. Step 5: Solve for x
    x = 20,394,256/1,816
  6. Step 6: Final answer
    x = 11,230.32

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Why These Related Problems?

These problems maintain the same ratio (2.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.