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Finding the Third Proportional to 8,080.88 and 12,416.63

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Solution

The third proportional to 8,080.88 and 12,416.63 is: 19,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.88 : 12,416.63 = 12,416.63 : x
  2. Step 2: Convert to fraction form
    8,080.88/12,416.63 = 12,416.63/x
  3. Step 3: Cross multiply
    8,080.88x = 12,416.63 × 12,416.63
  4. Step 4: Simplify right side
    8,080.88x = 154,172,576.39
  5. Step 5: Solve for x
    x = 154,172,576.39/8,080.88
  6. Step 6: Final answer
    x = 19,078.70

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.