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Finding the Third Proportional to 6,309.75 and 11,160.75

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Solution

The third proportional to 6,309.75 and 11,160.75 is: 19,741.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,309.75 : 11,160.75 = 11,160.75 : x
  2. Step 2: Convert to fraction form
    6,309.75/11,160.75 = 11,160.75/x
  3. Step 3: Cross multiply
    6,309.75x = 11,160.75 × 11,160.75
  4. Step 4: Simplify right side
    6,309.75x = 124,562,340.56
  5. Step 5: Solve for x
    x = 124,562,340.56/6,309.75
  6. Step 6: Final answer
    x = 19,741.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.