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Finding the Third Proportional to 121,960 and 190,074

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Solution

The third proportional to 121,960 and 190,074 is: 296,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,960 : 190,074 = 190,074 : x
  2. Step 2: Convert to fraction form
    121,960/190,074 = 190,074/x
  3. Step 3: Cross multiply
    121,960x = 190,074 × 190,074
  4. Step 4: Simplify right side
    121,960x = 36,128,125,476
  5. Step 5: Solve for x
    x = 36,128,125,476/121,960
  6. Step 6: Final answer
    x = 296,229.30

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.