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Finding the Third Proportional to 19,862 and 29,185

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Solution

The third proportional to 19,862 and 29,185 is: 42,884.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862 : 29,185 = 29,185 : x
  2. Step 2: Convert to fraction form
    19,862/29,185 = 29,185/x
  3. Step 3: Cross multiply
    19,862x = 29,185 × 29,185
  4. Step 4: Simplify right side
    19,862x = 851,764,225
  5. Step 5: Solve for x
    x = 851,764,225/19,862
  6. Step 6: Final answer
    x = 42,884.11

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.