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Finding the Third Proportional to 2,100.94 and 3,090.66

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Solution

The third proportional to 2,100.94 and 3,090.66 is: 4,546.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100.94 : 3,090.66 = 3,090.66 : x
  2. Step 2: Convert to fraction form
    2,100.94/3,090.66 = 3,090.66/x
  3. Step 3: Cross multiply
    2,100.94x = 3,090.66 × 3,090.66
  4. Step 4: Simplify right side
    2,100.94x = 9,552,156.06
  5. Step 5: Solve for x
    x = 9,552,156.06/2,100.94
  6. Step 6: Final answer
    x = 4,546.62

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.