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Finding the Third Proportional to 18,159.19 and 28,234.41

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Solution

The third proportional to 18,159.19 and 28,234.41 is: 43,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159.19 : 28,234.41 = 28,234.41 : x
  2. Step 2: Convert to fraction form
    18,159.19/28,234.41 = 28,234.41/x
  3. Step 3: Cross multiply
    18,159.19x = 28,234.41 × 28,234.41
  4. Step 4: Simplify right side
    18,159.19x = 797,181,696.29
  5. Step 5: Solve for x
    x = 797,181,696.29/18,159.19
  6. Step 6: Final answer
    x = 43,899.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.