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Finding the Third Proportional to 13,996,938 and 20,995,407

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Solution

The third proportional to 13,996,938 and 20,995,407 is: 31,493,110.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996,938 : 20,995,407 = 20,995,407 : x
  2. Step 2: Convert to fraction form
    13,996,938/20,995,407 = 20,995,407/x
  3. Step 3: Cross multiply
    13,996,938x = 20,995,407 × 20,995,407
  4. Step 4: Simplify right side
    13,996,938x = 440,807,115,095,649
  5. Step 5: Solve for x
    x = 440,807,115,095,649/13,996,938
  6. Step 6: Final answer
    x = 31,493,110.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.