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Finding the Third Proportional to 1,190 and 2,308

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Solution

The third proportional to 1,190 and 2,308 is: 4,476.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190 : 2,308 = 2,308 : x
  2. Step 2: Convert to fraction form
    1,190/2,308 = 2,308/x
  3. Step 3: Cross multiply
    1,190x = 2,308 × 2,308
  4. Step 4: Simplify right side
    1,190x = 5,326,864
  5. Step 5: Solve for x
    x = 5,326,864/1,190
  6. Step 6: Final answer
    x = 4,476.36

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Why These Related Problems?

These problems maintain the same ratio (1.94) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.