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Finding the Third Proportional to 20,639 and 44,437

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Solution

The third proportional to 20,639 and 44,437 is: 95,675.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,639 : 44,437 = 44,437 : x
  2. Step 2: Convert to fraction form
    20,639/44,437 = 44,437/x
  3. Step 3: Cross multiply
    20,639x = 44,437 × 44,437
  4. Step 4: Simplify right side
    20,639x = 1,974,646,969
  5. Step 5: Solve for x
    x = 1,974,646,969/20,639
  6. Step 6: Final answer
    x = 95,675.52

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.