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Finding the Third Proportional to 194,400 and 300,213

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Solution

The third proportional to 194,400 and 300,213 is: 463,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,400 : 300,213 = 300,213 : x
  2. Step 2: Convert to fraction form
    194,400/300,213 = 300,213/x
  3. Step 3: Cross multiply
    194,400x = 300,213 × 300,213
  4. Step 4: Simplify right side
    194,400x = 90,127,845,369
  5. Step 5: Solve for x
    x = 90,127,845,369/194,400
  6. Step 6: Final answer
    x = 463,620.60

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.