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Finding the Third Proportional to 859,502 and 1,821,454

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Solution

The third proportional to 859,502 and 1,821,454 is: 3,860,019.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,502 : 1,821,454 = 1,821,454 : x
  2. Step 2: Convert to fraction form
    859,502/1,821,454 = 1,821,454/x
  3. Step 3: Cross multiply
    859,502x = 1,821,454 × 1,821,454
  4. Step 4: Simplify right side
    859,502x = 3,317,694,674,116
  5. Step 5: Solve for x
    x = 3,317,694,674,116/859,502
  6. Step 6: Final answer
    x = 3,860,019.73

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.