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Finding the Third Proportional to 858,489 and 1,695,360

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Solution

The third proportional to 858,489 and 1,695,360 is: 3,348,028.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,489 : 1,695,360 = 1,695,360 : x
  2. Step 2: Convert to fraction form
    858,489/1,695,360 = 1,695,360/x
  3. Step 3: Cross multiply
    858,489x = 1,695,360 × 1,695,360
  4. Step 4: Simplify right side
    858,489x = 2,874,245,529,600
  5. Step 5: Solve for x
    x = 2,874,245,529,600/858,489
  6. Step 6: Final answer
    x = 3,348,028.37

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.