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Finding the Third Proportional to 20,203,623 and 30,809,856

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Solution

The third proportional to 20,203,623 and 30,809,856 is: 46,984,010.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203,623 : 30,809,856 = 30,809,856 : x
  2. Step 2: Convert to fraction form
    20,203,623/30,809,856 = 30,809,856/x
  3. Step 3: Cross multiply
    20,203,623x = 30,809,856 × 30,809,856
  4. Step 4: Simplify right side
    20,203,623x = 949,247,226,740,736
  5. Step 5: Solve for x
    x = 949,247,226,740,736/20,203,623
  6. Step 6: Final answer
    x = 46,984,010.08

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.