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Finding the Third Proportional to 8,661.94 and 13,254.19

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Solution

The third proportional to 8,661.94 and 13,254.19 is: 20,281.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,661.94 : 13,254.19 = 13,254.19 : x
  2. Step 2: Convert to fraction form
    8,661.94/13,254.19 = 13,254.19/x
  3. Step 3: Cross multiply
    8,661.94x = 13,254.19 × 13,254.19
  4. Step 4: Simplify right side
    8,661.94x = 175,673,486.29
  5. Step 5: Solve for x
    x = 175,673,486.29/8,661.94
  6. Step 6: Final answer
    x = 20,281.08

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.