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Finding the Third Proportional to 858,298 and 1,864,075

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Solution

The third proportional to 858,298 and 1,864,075 is: 4,048,448.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,298 : 1,864,075 = 1,864,075 : x
  2. Step 2: Convert to fraction form
    858,298/1,864,075 = 1,864,075/x
  3. Step 3: Cross multiply
    858,298x = 1,864,075 × 1,864,075
  4. Step 4: Simplify right side
    858,298x = 3,474,775,605,625
  5. Step 5: Solve for x
    x = 3,474,775,605,625/858,298
  6. Step 6: Final answer
    x = 4,048,448.91

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.