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Finding the Third Proportional to 31,075,619 and 47,044,781

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Solution

The third proportional to 31,075,619 and 47,044,781 is: 71,220,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,075,619 : 47,044,781 = 47,044,781 : x
  2. Step 2: Convert to fraction form
    31,075,619/47,044,781 = 47,044,781/x
  3. Step 3: Cross multiply
    31,075,619x = 47,044,781 × 47,044,781
  4. Step 4: Simplify right side
    31,075,619x = 2,213,211,419,337,961
  5. Step 5: Solve for x
    x = 2,213,211,419,337,961/31,075,619
  6. Step 6: Final answer
    x = 71,220,187.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.