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Finding the Third Proportional to 6,915.38 and 11,022.75

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Solution

The third proportional to 6,915.38 and 11,022.75 is: 17,569.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.38 : 11,022.75 = 11,022.75 : x
  2. Step 2: Convert to fraction form
    6,915.38/11,022.75 = 11,022.75/x
  3. Step 3: Cross multiply
    6,915.38x = 11,022.75 × 11,022.75
  4. Step 4: Simplify right side
    6,915.38x = 121,501,017.56
  5. Step 5: Solve for x
    x = 121,501,017.56/6,915.38
  6. Step 6: Final answer
    x = 17,569.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.