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Finding the Third Proportional to 130,621 and 196,295

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Solution

The third proportional to 130,621 and 196,295 is: 294,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,621 : 196,295 = 196,295 : x
  2. Step 2: Convert to fraction form
    130,621/196,295 = 196,295/x
  3. Step 3: Cross multiply
    130,621x = 196,295 × 196,295
  4. Step 4: Simplify right side
    130,621x = 38,531,727,025
  5. Step 5: Solve for x
    x = 38,531,727,025/130,621
  6. Step 6: Final answer
    x = 294,988.76

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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.