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Finding the Third Proportional to 2,703.85 and 6,831.53

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Solution

The third proportional to 2,703.85 and 6,831.53 is: 17,260.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703.85 : 6,831.53 = 6,831.53 : x
  2. Step 2: Convert to fraction form
    2,703.85/6,831.53 = 6,831.53/x
  3. Step 3: Cross multiply
    2,703.85x = 6,831.53 × 6,831.53
  4. Step 4: Simplify right side
    2,703.85x = 46,669,765.85
  5. Step 5: Solve for x
    x = 46,669,765.85/2,703.85
  6. Step 6: Final answer
    x = 17,260.49

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Why These Related Problems?

These problems maintain the same ratio (2.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.