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Finding the Third Proportional to 98,412.25 and 147,592.78

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Solution

The third proportional to 98,412.25 and 147,592.78 is: 221,350.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,412.25 : 147,592.78 = 147,592.78 : x
  2. Step 2: Convert to fraction form
    98,412.25/147,592.78 = 147,592.78/x
  3. Step 3: Cross multiply
    98,412.25x = 147,592.78 × 147,592.78
  4. Step 4: Simplify right side
    98,412.25x = 21,783,629,077.11
  5. Step 5: Solve for x
    x = 21,783,629,077.11/98,412.25
  6. Step 6: Final answer
    x = 221,350.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.