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Finding the Third Proportional to 885,659 and 1,409,942

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Solution

The third proportional to 885,659 and 1,409,942 is: 2,244,584.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,659 : 1,409,942 = 1,409,942 : x
  2. Step 2: Convert to fraction form
    885,659/1,409,942 = 1,409,942/x
  3. Step 3: Cross multiply
    885,659x = 1,409,942 × 1,409,942
  4. Step 4: Simplify right side
    885,659x = 1,987,936,443,364
  5. Step 5: Solve for x
    x = 1,987,936,443,364/885,659
  6. Step 6: Final answer
    x = 2,244,584.48

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.