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Finding the Third Proportional to 16,701.19 and 18,478.13

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Solution

The third proportional to 16,701.19 and 18,478.13 is: 20,444.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,701.19 : 18,478.13 = 18,478.13 : x
  2. Step 2: Convert to fraction form
    16,701.19/18,478.13 = 18,478.13/x
  3. Step 3: Cross multiply
    16,701.19x = 18,478.13 × 18,478.13
  4. Step 4: Simplify right side
    16,701.19x = 341,441,103.52
  5. Step 5: Solve for x
    x = 341,441,103.52/16,701.19
  6. Step 6: Final answer
    x = 20,444.12

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.