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Finding the Third Proportional to 9,186.75 and 20,130.19

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Solution

The third proportional to 9,186.75 and 20,130.19 is: 44,109.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.75 : 20,130.19 = 20,130.19 : x
  2. Step 2: Convert to fraction form
    9,186.75/20,130.19 = 20,130.19/x
  3. Step 3: Cross multiply
    9,186.75x = 20,130.19 × 20,130.19
  4. Step 4: Simplify right side
    9,186.75x = 405,224,448.79
  5. Step 5: Solve for x
    x = 405,224,448.79/9,186.75
  6. Step 6: Final answer
    x = 44,109.66

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.