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Finding the Third Proportional to 987,844 and 1,489,558

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Solution

The third proportional to 987,844 and 1,489,558 is: 2,246,086.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,844 : 1,489,558 = 1,489,558 : x
  2. Step 2: Convert to fraction form
    987,844/1,489,558 = 1,489,558/x
  3. Step 3: Cross multiply
    987,844x = 1,489,558 × 1,489,558
  4. Step 4: Simplify right side
    987,844x = 2,218,783,035,364
  5. Step 5: Solve for x
    x = 2,218,783,035,364/987,844
  6. Step 6: Final answer
    x = 2,246,086.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.