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Finding the Third Proportional to 1,804.70 and 2,720.94

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Solution

The third proportional to 1,804.70 and 2,720.94 is: 4,102.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804.70 : 2,720.94 = 2,720.94 : x
  2. Step 2: Convert to fraction form
    1,804.70/2,720.94 = 2,720.94/x
  3. Step 3: Cross multiply
    1,804.70x = 2,720.94 × 2,720.94
  4. Step 4: Simplify right side
    1,804.70x = 7,403,490.25
  5. Step 5: Solve for x
    x = 7,403,490.25/1,804.70
  6. Step 6: Final answer
    x = 4,102.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.