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Finding the Third Proportional to 610,422 and 897,987.75

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Solution

The third proportional to 610,422 and 897,987.75 is: 1,321,023.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,422 : 897,987.75 = 897,987.75 : x
  2. Step 2: Convert to fraction form
    610,422/897,987.75 = 897,987.75/x
  3. Step 3: Cross multiply
    610,422x = 897,987.75 × 897,987.75
  4. Step 4: Simplify right side
    610,422x = 806,381,999,150.06
  5. Step 5: Solve for x
    x = 806,381,999,150.06/610,422
  6. Step 6: Final answer
    x = 1,321,023.81

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.