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Finding the Third Proportional to 16,789.50 and 36,495

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Solution

The third proportional to 16,789.50 and 36,495 is: 79,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789.50 : 36,495 = 36,495 : x
  2. Step 2: Convert to fraction form
    16,789.50/36,495 = 36,495/x
  3. Step 3: Cross multiply
    16,789.50x = 36,495 × 36,495
  4. Step 4: Simplify right side
    16,789.50x = 1,331,885,025
  5. Step 5: Solve for x
    x = 1,331,885,025/16,789.50
  6. Step 6: Final answer
    x = 79,328.45

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.