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Finding the Third Proportional to 20,820.38 and 44,920.41

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Solution

The third proportional to 20,820.38 and 44,920.41 is: 96,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,820.38 : 44,920.41 = 44,920.41 : x
  2. Step 2: Convert to fraction form
    20,820.38/44,920.41 = 44,920.41/x
  3. Step 3: Cross multiply
    20,820.38x = 44,920.41 × 44,920.41
  4. Step 4: Simplify right side
    20,820.38x = 2,017,842,897.67
  5. Step 5: Solve for x
    x = 2,017,842,897.67/20,820.38
  6. Step 6: Final answer
    x = 96,916.74

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.