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Finding the Third Proportional to 131,260.36 and 198,090.70

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Solution

The third proportional to 131,260.36 and 198,090.70 is: 298,947.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,260.36 : 198,090.70 = 198,090.70 : x
  2. Step 2: Convert to fraction form
    131,260.36/198,090.70 = 198,090.70/x
  3. Step 3: Cross multiply
    131,260.36x = 198,090.70 × 198,090.70
  4. Step 4: Simplify right side
    131,260.36x = 39,239,926,664.56
  5. Step 5: Solve for x
    x = 39,239,926,664.56/131,260.36
  6. Step 6: Final answer
    x = 298,947.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.