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Finding the Third Proportional to 247,208 and 529,411

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Solution

The third proportional to 247,208 and 529,411 is: 1,133,765.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,208 : 529,411 = 529,411 : x
  2. Step 2: Convert to fraction form
    247,208/529,411 = 529,411/x
  3. Step 3: Cross multiply
    247,208x = 529,411 × 529,411
  4. Step 4: Simplify right side
    247,208x = 280,276,006,921
  5. Step 5: Solve for x
    x = 280,276,006,921/247,208
  6. Step 6: Final answer
    x = 1,133,765.93

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.