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Finding the Third Proportional to 15,446,206 and 20,977,954

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Solution

The third proportional to 15,446,206 and 20,977,954 is: 28,490,786.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,446,206 : 20,977,954 = 20,977,954 : x
  2. Step 2: Convert to fraction form
    15,446,206/20,977,954 = 20,977,954/x
  3. Step 3: Cross multiply
    15,446,206x = 20,977,954 × 20,977,954
  4. Step 4: Simplify right side
    15,446,206x = 440,074,554,026,116
  5. Step 5: Solve for x
    x = 440,074,554,026,116/15,446,206
  6. Step 6: Final answer
    x = 28,490,786.28

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.