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Finding the Third Proportional to 19,400 and 29,196

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Solution

The third proportional to 19,400 and 29,196 is: 43,938.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400 : 29,196 = 29,196 : x
  2. Step 2: Convert to fraction form
    19,400/29,196 = 29,196/x
  3. Step 3: Cross multiply
    19,400x = 29,196 × 29,196
  4. Step 4: Simplify right side
    19,400x = 852,406,416
  5. Step 5: Solve for x
    x = 852,406,416/19,400
  6. Step 6: Final answer
    x = 43,938.48

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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.