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Finding the Third Proportional to 15,520.91 and 32,890.70

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Solution

The third proportional to 15,520.91 and 32,890.70 is: 69,699.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520.91 : 32,890.70 = 32,890.70 : x
  2. Step 2: Convert to fraction form
    15,520.91/32,890.70 = 32,890.70/x
  3. Step 3: Cross multiply
    15,520.91x = 32,890.70 × 32,890.70
  4. Step 4: Simplify right side
    15,520.91x = 1,081,797,926.47
  5. Step 5: Solve for x
    x = 1,081,797,926.47/15,520.91
  6. Step 6: Final answer
    x = 69,699.41

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.