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Finding the Third Proportional to 773 and 2,058.50

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Solution

The third proportional to 773 and 2,058.50 is: 5,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    773 : 2,058.50 = 2,058.50 : x
  2. Step 2: Convert to fraction form
    773/2,058.50 = 2,058.50/x
  3. Step 3: Cross multiply
    773x = 2,058.50 × 2,058.50
  4. Step 4: Simplify right side
    773x = 4,237,422.25
  5. Step 5: Solve for x
    x = 4,237,422.25/773
  6. Step 6: Final answer
    x = 5,481.79

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Why These Related Problems?

These problems maintain the same ratio (2.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.