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Finding the Third Proportional to 4,024.69 and 8,659.41

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Solution

The third proportional to 4,024.69 and 8,659.41 is: 18,631.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,024.69 : 8,659.41 = 8,659.41 : x
  2. Step 2: Convert to fraction form
    4,024.69/8,659.41 = 8,659.41/x
  3. Step 3: Cross multiply
    4,024.69x = 8,659.41 × 8,659.41
  4. Step 4: Simplify right side
    4,024.69x = 74,985,316.60
  5. Step 5: Solve for x
    x = 74,985,316.60/4,024.69
  6. Step 6: Final answer
    x = 18,631.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.