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Finding the Third Proportional to 354,988 and 764,104

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Solution

The third proportional to 354,988 and 764,104 is: 1,644,717.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,988 : 764,104 = 764,104 : x
  2. Step 2: Convert to fraction form
    354,988/764,104 = 764,104/x
  3. Step 3: Cross multiply
    354,988x = 764,104 × 764,104
  4. Step 4: Simplify right side
    354,988x = 583,854,922,816
  5. Step 5: Solve for x
    x = 583,854,922,816/354,988
  6. Step 6: Final answer
    x = 1,644,717.35

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.