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Finding the Third Proportional to 890,130 and 1,922,812

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Solution

The third proportional to 890,130 and 1,922,812 is: 4,153,557.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,130 : 1,922,812 = 1,922,812 : x
  2. Step 2: Convert to fraction form
    890,130/1,922,812 = 1,922,812/x
  3. Step 3: Cross multiply
    890,130x = 1,922,812 × 1,922,812
  4. Step 4: Simplify right side
    890,130x = 3,697,205,987,344
  5. Step 5: Solve for x
    x = 3,697,205,987,344/890,130
  6. Step 6: Final answer
    x = 4,153,557.33

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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.