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Finding the Third Proportional to 18,636 and 29,154

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Solution

The third proportional to 18,636 and 29,154 is: 45,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636 : 29,154 = 29,154 : x
  2. Step 2: Convert to fraction form
    18,636/29,154 = 29,154/x
  3. Step 3: Cross multiply
    18,636x = 29,154 × 29,154
  4. Step 4: Simplify right side
    18,636x = 849,955,716
  5. Step 5: Solve for x
    x = 849,955,716/18,636
  6. Step 6: Final answer
    x = 45,608.27

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.