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Finding the Third Proportional to 130,995 and 196,290

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Solution

The third proportional to 130,995 and 196,290 is: 294,131.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,995 : 196,290 = 196,290 : x
  2. Step 2: Convert to fraction form
    130,995/196,290 = 196,290/x
  3. Step 3: Cross multiply
    130,995x = 196,290 × 196,290
  4. Step 4: Simplify right side
    130,995x = 38,529,764,100
  5. Step 5: Solve for x
    x = 38,529,764,100/130,995
  6. Step 6: Final answer
    x = 294,131.56

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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.