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Finding the Third Proportional to 349,392 and 762,736

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Solution

The third proportional to 349,392 and 762,736 is: 1,665,081.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,392 : 762,736 = 762,736 : x
  2. Step 2: Convert to fraction form
    349,392/762,736 = 762,736/x
  3. Step 3: Cross multiply
    349,392x = 762,736 × 762,736
  4. Step 4: Simplify right side
    349,392x = 581,766,205,696
  5. Step 5: Solve for x
    x = 581,766,205,696/349,392
  6. Step 6: Final answer
    x = 1,665,081.64

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.