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Finding the Third Proportional to 19,434 and 29,880

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Solution

The third proportional to 19,434 and 29,880 is: 45,940.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434 : 29,880 = 29,880 : x
  2. Step 2: Convert to fraction form
    19,434/29,880 = 29,880/x
  3. Step 3: Cross multiply
    19,434x = 29,880 × 29,880
  4. Step 4: Simplify right side
    19,434x = 892,814,400
  5. Step 5: Solve for x
    x = 892,814,400/19,434
  6. Step 6: Final answer
    x = 45,940.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.