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Finding the Third Proportional to 945.75 and 2,029.88

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Solution

The third proportional to 945.75 and 2,029.88 is: 4,356.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    945.75 : 2,029.88 = 2,029.88 : x
  2. Step 2: Convert to fraction form
    945.75/2,029.88 = 2,029.88/x
  3. Step 3: Cross multiply
    945.75x = 2,029.88 × 2,029.88
  4. Step 4: Simplify right side
    945.75x = 4,120,392.52
  5. Step 5: Solve for x
    x = 4,120,392.52/945.75
  6. Step 6: Final answer
    x = 4,356.75

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.