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Finding the Third Proportional to 208,871 and 441,553

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Solution

The third proportional to 208,871 and 441,553 is: 933,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,871 : 441,553 = 441,553 : x
  2. Step 2: Convert to fraction form
    208,871/441,553 = 441,553/x
  3. Step 3: Cross multiply
    208,871x = 441,553 × 441,553
  4. Step 4: Simplify right side
    208,871x = 194,969,051,809
  5. Step 5: Solve for x
    x = 194,969,051,809/208,871
  6. Step 6: Final answer
    x = 933,442.42

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.