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Finding the Third Proportional to 16,631.50 and 36,346

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Solution

The third proportional to 16,631.50 and 36,346 is: 79,429.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,631.50 : 36,346 = 36,346 : x
  2. Step 2: Convert to fraction form
    16,631.50/36,346 = 36,346/x
  3. Step 3: Cross multiply
    16,631.50x = 36,346 × 36,346
  4. Step 4: Simplify right side
    16,631.50x = 1,321,031,716
  5. Step 5: Solve for x
    x = 1,321,031,716/16,631.50
  6. Step 6: Final answer
    x = 79,429.50

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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.