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Finding the Third Proportional to 19,434 and 29,155

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Solution

The third proportional to 19,434 and 29,155 is: 43,738.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434 : 29,155 = 29,155 : x
  2. Step 2: Convert to fraction form
    19,434/29,155 = 29,155/x
  3. Step 3: Cross multiply
    19,434x = 29,155 × 29,155
  4. Step 4: Simplify right side
    19,434x = 850,014,025
  5. Step 5: Solve for x
    x = 850,014,025/19,434
  6. Step 6: Final answer
    x = 43,738.50

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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.