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Finding the Third Proportional to 991.75 and 2,349.50

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Solution

The third proportional to 991.75 and 2,349.50 is: 5,566.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    991.75 : 2,349.50 = 2,349.50 : x
  2. Step 2: Convert to fraction form
    991.75/2,349.50 = 2,349.50/x
  3. Step 3: Cross multiply
    991.75x = 2,349.50 × 2,349.50
  4. Step 4: Simplify right side
    991.75x = 5,520,150.25
  5. Step 5: Solve for x
    x = 5,520,150.25/991.75
  6. Step 6: Final answer
    x = 5,566.07

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.