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Finding the Third Proportional to 999,496 and 2,158,580

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Solution

The third proportional to 999,496 and 2,158,580 is: 4,661,817.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,496 : 2,158,580 = 2,158,580 : x
  2. Step 2: Convert to fraction form
    999,496/2,158,580 = 2,158,580/x
  3. Step 3: Cross multiply
    999,496x = 2,158,580 × 2,158,580
  4. Step 4: Simplify right side
    999,496x = 4,659,467,616,400
  5. Step 5: Solve for x
    x = 4,659,467,616,400/999,496
  6. Step 6: Final answer
    x = 4,661,817.17

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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.