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Finding the Third Proportional to 20,298,763 and 29,328,206

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Solution

The third proportional to 20,298,763 and 29,328,206 is: 42,374,191.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298,763 : 29,328,206 = 29,328,206 : x
  2. Step 2: Convert to fraction form
    20,298,763/29,328,206 = 29,328,206/x
  3. Step 3: Cross multiply
    20,298,763x = 29,328,206 × 29,328,206
  4. Step 4: Simplify right side
    20,298,763x = 860,143,667,178,436
  5. Step 5: Solve for x
    x = 860,143,667,178,436/20,298,763
  6. Step 6: Final answer
    x = 42,374,191.33

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.