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Finding the Third Proportional to 345,212 and 529,848

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Solution

The third proportional to 345,212 and 529,848 is: 813,236.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,212 : 529,848 = 529,848 : x
  2. Step 2: Convert to fraction form
    345,212/529,848 = 529,848/x
  3. Step 3: Cross multiply
    345,212x = 529,848 × 529,848
  4. Step 4: Simplify right side
    345,212x = 280,738,903,104
  5. Step 5: Solve for x
    x = 280,738,903,104/345,212
  6. Step 6: Final answer
    x = 813,236.22

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.