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Finding the Third Proportional to 3,591,625.50 and 7,980,412

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Solution

The third proportional to 3,591,625.50 and 7,980,412 is: 17,732,075.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591,625.50 : 7,980,412 = 7,980,412 : x
  2. Step 2: Convert to fraction form
    3,591,625.50/7,980,412 = 7,980,412/x
  3. Step 3: Cross multiply
    3,591,625.50x = 7,980,412 × 7,980,412
  4. Step 4: Simplify right side
    3,591,625.50x = 63,686,975,689,744
  5. Step 5: Solve for x
    x = 63,686,975,689,744/3,591,625.50
  6. Step 6: Final answer
    x = 17,732,075.82

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.