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Finding the Third Proportional to 1,994,172 and 2,990,507.25

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Solution

The third proportional to 1,994,172 and 2,990,507.25 is: 4,484,635.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,172 : 2,990,507.25 = 2,990,507.25 : x
  2. Step 2: Convert to fraction form
    1,994,172/2,990,507.25 = 2,990,507.25/x
  3. Step 3: Cross multiply
    1,994,172x = 2,990,507.25 × 2,990,507.25
  4. Step 4: Simplify right side
    1,994,172x = 8,943,133,612,302.56
  5. Step 5: Solve for x
    x = 8,943,133,612,302.56/1,994,172
  6. Step 6: Final answer
    x = 4,484,635.03

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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.