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Finding the Third Proportional to 16,636.50 and 36,355

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Solution

The third proportional to 16,636.50 and 36,355 is: 79,444.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,636.50 : 36,355 = 36,355 : x
  2. Step 2: Convert to fraction form
    16,636.50/36,355 = 36,355/x
  3. Step 3: Cross multiply
    16,636.50x = 36,355 × 36,355
  4. Step 4: Simplify right side
    16,636.50x = 1,321,686,025
  5. Step 5: Solve for x
    x = 1,321,686,025/16,636.50
  6. Step 6: Final answer
    x = 79,444.96

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.