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Finding the Third Proportional to 194,420 and 304,328

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Solution

The third proportional to 194,420 and 304,328 is: 476,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,420 : 304,328 = 304,328 : x
  2. Step 2: Convert to fraction form
    194,420/304,328 = 304,328/x
  3. Step 3: Cross multiply
    194,420x = 304,328 × 304,328
  4. Step 4: Simplify right side
    194,420x = 92,615,531,584
  5. Step 5: Solve for x
    x = 92,615,531,584/194,420
  6. Step 6: Final answer
    x = 476,368.33

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.