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Finding the Third Proportional to 942.89 and 2,072.46

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Solution

The third proportional to 942.89 and 2,072.46 is: 4,555.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    942.89 : 2,072.46 = 2,072.46 : x
  2. Step 2: Convert to fraction form
    942.89/2,072.46 = 2,072.46/x
  3. Step 3: Cross multiply
    942.89x = 2,072.46 × 2,072.46
  4. Step 4: Simplify right side
    942.89x = 4,295,094.34
  5. Step 5: Solve for x
    x = 4,295,094.34/942.89
  6. Step 6: Final answer
    x = 4,555.24

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.