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Finding the Third Proportional to 20,302,843 and 42,278,737

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Solution

The third proportional to 20,302,843 and 42,278,737 is: 88,041,443.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,302,843 : 42,278,737 = 42,278,737 : x
  2. Step 2: Convert to fraction form
    20,302,843/42,278,737 = 42,278,737/x
  3. Step 3: Cross multiply
    20,302,843x = 42,278,737 × 42,278,737
  4. Step 4: Simplify right side
    20,302,843x = 1,787,491,602,315,169
  5. Step 5: Solve for x
    x = 1,787,491,602,315,169/20,302,843
  6. Step 6: Final answer
    x = 88,041,443.37

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.