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Finding the Third Proportional to 6,783.75 and 15,472.69

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Solution

The third proportional to 6,783.75 and 15,472.69 is: 35,290.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.75 : 15,472.69 = 15,472.69 : x
  2. Step 2: Convert to fraction form
    6,783.75/15,472.69 = 15,472.69/x
  3. Step 3: Cross multiply
    6,783.75x = 15,472.69 × 15,472.69
  4. Step 4: Simplify right side
    6,783.75x = 239,404,058.47
  5. Step 5: Solve for x
    x = 239,404,058.47/6,783.75
  6. Step 6: Final answer
    x = 35,290.81

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.