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Finding the Third Proportional to 18,175.64 and 28,074.09

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Solution

The third proportional to 18,175.64 and 28,074.09 is: 43,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175.64 : 28,074.09 = 28,074.09 : x
  2. Step 2: Convert to fraction form
    18,175.64/28,074.09 = 28,074.09/x
  3. Step 3: Cross multiply
    18,175.64x = 28,074.09 × 28,074.09
  4. Step 4: Simplify right side
    18,175.64x = 788,154,739.88
  5. Step 5: Solve for x
    x = 788,154,739.88/18,175.64
  6. Step 6: Final answer
    x = 43,363.24

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1.5x scale

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.