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Finding the Third Proportional to 15,575.63 and 17,168.63

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Solution

The third proportional to 15,575.63 and 17,168.63 is: 18,924.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,575.63 : 17,168.63 = 17,168.63 : x
  2. Step 2: Convert to fraction form
    15,575.63/17,168.63 = 17,168.63/x
  3. Step 3: Cross multiply
    15,575.63x = 17,168.63 × 17,168.63
  4. Step 4: Simplify right side
    15,575.63x = 294,761,684.39
  5. Step 5: Solve for x
    x = 294,761,684.39/15,575.63
  6. Step 6: Final answer
    x = 18,924.55

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.