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Finding the Third Proportional to 684,675 and 1,477,611

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Solution

The third proportional to 684,675 and 1,477,611 is: 3,188,862.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,675 : 1,477,611 = 1,477,611 : x
  2. Step 2: Convert to fraction form
    684,675/1,477,611 = 1,477,611/x
  3. Step 3: Cross multiply
    684,675x = 1,477,611 × 1,477,611
  4. Step 4: Simplify right side
    684,675x = 2,183,334,267,321
  5. Step 5: Solve for x
    x = 2,183,334,267,321/684,675
  6. Step 6: Final answer
    x = 3,188,862.26

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.