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Finding the Third Proportional to 20,548.69 and 39,543.19

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Solution

The third proportional to 20,548.69 and 39,543.19 is: 76,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.69 : 39,543.19 = 39,543.19 : x
  2. Step 2: Convert to fraction form
    20,548.69/39,543.19 = 39,543.19/x
  3. Step 3: Cross multiply
    20,548.69x = 39,543.19 × 39,543.19
  4. Step 4: Simplify right side
    20,548.69x = 1,563,663,677.66
  5. Step 5: Solve for x
    x = 1,563,663,677.66/20,548.69
  6. Step 6: Final answer
    x = 76,095.55

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.