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Finding the Third Proportional to 10,792.13 and 17,115.19

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Solution

The third proportional to 10,792.13 and 17,115.19 is: 27,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,792.13 : 17,115.19 = 17,115.19 : x
  2. Step 2: Convert to fraction form
    10,792.13/17,115.19 = 17,115.19/x
  3. Step 3: Cross multiply
    10,792.13x = 17,115.19 × 17,115.19
  4. Step 4: Simplify right side
    10,792.13x = 292,929,643.16
  5. Step 5: Solve for x
    x = 292,929,643.16/10,792.13
  6. Step 6: Final answer
    x = 27,142.91

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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.