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Finding the Third Proportional to 198,504 and 432,700

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Solution

The third proportional to 198,504 and 432,700 is: 943,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,504 : 432,700 = 432,700 : x
  2. Step 2: Convert to fraction form
    198,504/432,700 = 432,700/x
  3. Step 3: Cross multiply
    198,504x = 432,700 × 432,700
  4. Step 4: Simplify right side
    198,504x = 187,229,290,000
  5. Step 5: Solve for x
    x = 187,229,290,000/198,504
  6. Step 6: Final answer
    x = 943,201.60

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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.