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Finding the Third Proportional to 8,412.13 and 18,482.63

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Solution

The third proportional to 8,412.13 and 18,482.63 is: 40,608.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.13 : 18,482.63 = 18,482.63 : x
  2. Step 2: Convert to fraction form
    8,412.13/18,482.63 = 18,482.63/x
  3. Step 3: Cross multiply
    8,412.13x = 18,482.63 × 18,482.63
  4. Step 4: Simplify right side
    8,412.13x = 341,607,426.89
  5. Step 5: Solve for x
    x = 341,607,426.89/8,412.13
  6. Step 6: Final answer
    x = 40,608.93

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.