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Finding the Third Proportional to 16,818 and 24,739.50

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Solution

The third proportional to 16,818 and 24,739.50 is: 36,392.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818 : 24,739.50 = 24,739.50 : x
  2. Step 2: Convert to fraction form
    16,818/24,739.50 = 24,739.50/x
  3. Step 3: Cross multiply
    16,818x = 24,739.50 × 24,739.50
  4. Step 4: Simplify right side
    16,818x = 612,042,860.25
  5. Step 5: Solve for x
    x = 612,042,860.25/16,818
  6. Step 6: Final answer
    x = 36,392.13

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.