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Finding the Third Proportional to 1,816 and 4,263

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Solution

The third proportional to 1,816 and 4,263 is: 10,007.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816 : 4,263 = 4,263 : x
  2. Step 2: Convert to fraction form
    1,816/4,263 = 4,263/x
  3. Step 3: Cross multiply
    1,816x = 4,263 × 4,263
  4. Step 4: Simplify right side
    1,816x = 18,173,169
  5. Step 5: Solve for x
    x = 18,173,169/1,816
  6. Step 6: Final answer
    x = 10,007.25

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.