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Finding the Third Proportional to 19,145,210 and 28,731,075

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Solution

The third proportional to 19,145,210 and 28,731,075 is: 43,116,511.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145,210 : 28,731,075 = 28,731,075 : x
  2. Step 2: Convert to fraction form
    19,145,210/28,731,075 = 28,731,075/x
  3. Step 3: Cross multiply
    19,145,210x = 28,731,075 × 28,731,075
  4. Step 4: Simplify right side
    19,145,210x = 825,474,670,655,625
  5. Step 5: Solve for x
    x = 825,474,670,655,625/19,145,210
  6. Step 6: Final answer
    x = 43,116,511.68

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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.