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Finding the Third Proportional to 1,873.13 and 2,698.31

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Solution

The third proportional to 1,873.13 and 2,698.31 is: 3,887.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.13 : 2,698.31 = 2,698.31 : x
  2. Step 2: Convert to fraction form
    1,873.13/2,698.31 = 2,698.31/x
  3. Step 3: Cross multiply
    1,873.13x = 2,698.31 × 2,698.31
  4. Step 4: Simplify right side
    1,873.13x = 7,280,890.35
  5. Step 5: Solve for x
    x = 7,280,890.35/1,873.13
  6. Step 6: Final answer
    x = 3,887.03

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.