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Finding the Third Proportional to 207,984 and 334,920

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Solution

The third proportional to 207,984 and 334,920 is: 539,327.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,984 : 334,920 = 334,920 : x
  2. Step 2: Convert to fraction form
    207,984/334,920 = 334,920/x
  3. Step 3: Cross multiply
    207,984x = 334,920 × 334,920
  4. Step 4: Simplify right side
    207,984x = 112,171,406,400
  5. Step 5: Solve for x
    x = 112,171,406,400/207,984
  6. Step 6: Final answer
    x = 539,327.09

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.