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Finding the Third Proportional to 198,483.75 and 432,654.75

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Solution

The third proportional to 198,483.75 and 432,654.75 is: 943,100.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,483.75 : 432,654.75 = 432,654.75 : x
  2. Step 2: Convert to fraction form
    198,483.75/432,654.75 = 432,654.75/x
  3. Step 3: Cross multiply
    198,483.75x = 432,654.75 × 432,654.75
  4. Step 4: Simplify right side
    198,483.75x = 187,190,132,697.56
  5. Step 5: Solve for x
    x = 187,190,132,697.56/198,483.75
  6. Step 6: Final answer
    x = 943,100.54

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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.