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Finding the Third Proportional to 13,997,161 and 20,015,964

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Solution

The third proportional to 13,997,161 and 20,015,964 is: 28,622,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997,161 : 20,015,964 = 20,015,964 : x
  2. Step 2: Convert to fraction form
    13,997,161/20,015,964 = 20,015,964/x
  3. Step 3: Cross multiply
    13,997,161x = 20,015,964 × 20,015,964
  4. Step 4: Simplify right side
    13,997,161x = 400,638,814,849,296
  5. Step 5: Solve for x
    x = 400,638,814,849,296/13,997,161
  6. Step 6: Final answer
    x = 28,622,862.51

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.