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Finding the Third Proportional to 20,015,768 and 40,588,503

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Solution

The third proportional to 20,015,768 and 40,588,503 is: 82,306,438.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015,768 : 40,588,503 = 40,588,503 : x
  2. Step 2: Convert to fraction form
    20,015,768/40,588,503 = 40,588,503/x
  3. Step 3: Cross multiply
    20,015,768x = 40,588,503 × 40,588,503
  4. Step 4: Simplify right side
    20,015,768x = 1,647,426,575,781,009
  5. Step 5: Solve for x
    x = 1,647,426,575,781,009/20,015,768
  6. Step 6: Final answer
    x = 82,306,438.39

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.