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Finding the Third Proportional to 19,434 and 27,417

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Solution

The third proportional to 19,434 and 27,417 is: 38,679.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434 : 27,417 = 27,417 : x
  2. Step 2: Convert to fraction form
    19,434/27,417 = 27,417/x
  3. Step 3: Cross multiply
    19,434x = 27,417 × 27,417
  4. Step 4: Simplify right side
    19,434x = 751,691,889
  5. Step 5: Solve for x
    x = 751,691,889/19,434
  6. Step 6: Final answer
    x = 38,679.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.