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Finding the Third Proportional to 1,994,496 and 4,293,120

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Solution

The third proportional to 1,994,496 and 4,293,120 is: 9,240,870.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,496 : 4,293,120 = 4,293,120 : x
  2. Step 2: Convert to fraction form
    1,994,496/4,293,120 = 4,293,120/x
  3. Step 3: Cross multiply
    1,994,496x = 4,293,120 × 4,293,120
  4. Step 4: Simplify right side
    1,994,496x = 18,430,879,334,400
  5. Step 5: Solve for x
    x = 18,430,879,334,400/1,994,496
  6. Step 6: Final answer
    x = 9,240,870.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.