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Finding the Third Proportional to 20,548.69 and 28,343.67

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Solution

The third proportional to 20,548.69 and 28,343.67 is: 39,095.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.69 : 28,343.67 = 28,343.67 : x
  2. Step 2: Convert to fraction form
    20,548.69/28,343.67 = 28,343.67/x
  3. Step 3: Cross multiply
    20,548.69x = 28,343.67 × 28,343.67
  4. Step 4: Simplify right side
    20,548.69x = 803,363,735.36
  5. Step 5: Solve for x
    x = 803,363,735.36/20,548.69
  6. Step 6: Final answer
    x = 39,095.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.