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Finding the Third Proportional to 336,839 and 508,748

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Solution

The third proportional to 336,839 and 508,748 is: 768,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,839 : 508,748 = 508,748 : x
  2. Step 2: Convert to fraction form
    336,839/508,748 = 508,748/x
  3. Step 3: Cross multiply
    336,839x = 508,748 × 508,748
  4. Step 4: Simplify right side
    336,839x = 258,824,527,504
  5. Step 5: Solve for x
    x = 258,824,527,504/336,839
  6. Step 6: Final answer
    x = 768,392.40

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.