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Finding the Third Proportional to 1,928.44 and 4,157.06

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Solution

The third proportional to 1,928.44 and 4,157.06 is: 8,961.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.44 : 4,157.06 = 4,157.06 : x
  2. Step 2: Convert to fraction form
    1,928.44/4,157.06 = 4,157.06/x
  3. Step 3: Cross multiply
    1,928.44x = 4,157.06 × 4,157.06
  4. Step 4: Simplify right side
    1,928.44x = 17,281,168.63
  5. Step 5: Solve for x
    x = 17,281,168.63/1,928.44
  6. Step 6: Final answer
    x = 8,961.23

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.