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Finding the Third Proportional to 20,761,885 and 45,433,768

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Solution

The third proportional to 20,761,885 and 45,433,768 is: 99,423,885.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,761,885 : 45,433,768 = 45,433,768 : x
  2. Step 2: Convert to fraction form
    20,761,885/45,433,768 = 45,433,768/x
  3. Step 3: Cross multiply
    20,761,885x = 45,433,768 × 45,433,768
  4. Step 4: Simplify right side
    20,761,885x = 2,064,227,274,677,824
  5. Step 5: Solve for x
    x = 2,064,227,274,677,824/20,761,885
  6. Step 6: Final answer
    x = 99,423,885.39

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.