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Finding the Third Proportional to 130,991.50 and 197,250

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Solution

The third proportional to 130,991.50 and 197,250 is: 297,023.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,991.50 : 197,250 = 197,250 : x
  2. Step 2: Convert to fraction form
    130,991.50/197,250 = 197,250/x
  3. Step 3: Cross multiply
    130,991.50x = 197,250 × 197,250
  4. Step 4: Simplify right side
    130,991.50x = 38,907,562,500
  5. Step 5: Solve for x
    x = 38,907,562,500/130,991.50
  6. Step 6: Final answer
    x = 297,023.57

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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.