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Finding the Third Proportional to 19,942,012 and 43,378,075

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Solution

The third proportional to 19,942,012 and 43,378,075 is: 94,356,446.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942,012 : 43,378,075 = 43,378,075 : x
  2. Step 2: Convert to fraction form
    19,942,012/43,378,075 = 43,378,075/x
  3. Step 3: Cross multiply
    19,942,012x = 43,378,075 × 43,378,075
  4. Step 4: Simplify right side
    19,942,012x = 1,881,657,390,705,625
  5. Step 5: Solve for x
    x = 1,881,657,390,705,625/19,942,012
  6. Step 6: Final answer
    x = 94,356,446.62

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.