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Finding the Third Proportional to 1,850 and 2,788

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Solution

The third proportional to 1,850 and 2,788 is: 4,201.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850 : 2,788 = 2,788 : x
  2. Step 2: Convert to fraction form
    1,850/2,788 = 2,788/x
  3. Step 3: Cross multiply
    1,850x = 2,788 × 2,788
  4. Step 4: Simplify right side
    1,850x = 7,772,944
  5. Step 5: Solve for x
    x = 7,772,944/1,850
  6. Step 6: Final answer
    x = 4,201.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.