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Finding the Third Proportional to 19,690 and 29,636

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Solution

The third proportional to 19,690 and 29,636 is: 44,606.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690 : 29,636 = 29,636 : x
  2. Step 2: Convert to fraction form
    19,690/29,636 = 29,636/x
  3. Step 3: Cross multiply
    19,690x = 29,636 × 29,636
  4. Step 4: Simplify right side
    19,690x = 878,292,496
  5. Step 5: Solve for x
    x = 878,292,496/19,690
  6. Step 6: Final answer
    x = 44,606.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.