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Finding the Third Proportional to 19,579.50 and 28,661.63

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Solution

The third proportional to 19,579.50 and 28,661.63 is: 41,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.50 : 28,661.63 = 28,661.63 : x
  2. Step 2: Convert to fraction form
    19,579.50/28,661.63 = 28,661.63/x
  3. Step 3: Cross multiply
    19,579.50x = 28,661.63 × 28,661.63
  4. Step 4: Simplify right side
    19,579.50x = 821,488,747.64
  5. Step 5: Solve for x
    x = 821,488,747.64/19,579.50
  6. Step 6: Final answer
    x = 41,956.57

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.