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Finding the Third Proportional to 8,525.25 and 18,518.63

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Solution

The third proportional to 8,525.25 and 18,518.63 is: 40,226.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.25 : 18,518.63 = 18,518.63 : x
  2. Step 2: Convert to fraction form
    8,525.25/18,518.63 = 18,518.63/x
  3. Step 3: Cross multiply
    8,525.25x = 18,518.63 × 18,518.63
  4. Step 4: Simplify right side
    8,525.25x = 342,939,471.89
  5. Step 5: Solve for x
    x = 342,939,471.89/8,525.25
  6. Step 6: Final answer
    x = 40,226.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.