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Finding the Third Proportional to 259,413 and 558,848

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Solution

The third proportional to 259,413 and 558,848 is: 1,203,914.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,413 : 558,848 = 558,848 : x
  2. Step 2: Convert to fraction form
    259,413/558,848 = 558,848/x
  3. Step 3: Cross multiply
    259,413x = 558,848 × 558,848
  4. Step 4: Simplify right side
    259,413x = 312,311,087,104
  5. Step 5: Solve for x
    x = 312,311,087,104/259,413
  6. Step 6: Final answer
    x = 1,203,914.56

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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.