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Finding the Third Proportional to 18,954 and 29,009.25

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Solution

The third proportional to 18,954 and 29,009.25 is: 44,398.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954 : 29,009.25 = 29,009.25 : x
  2. Step 2: Convert to fraction form
    18,954/29,009.25 = 29,009.25/x
  3. Step 3: Cross multiply
    18,954x = 29,009.25 × 29,009.25
  4. Step 4: Simplify right side
    18,954x = 841,536,585.56
  5. Step 5: Solve for x
    x = 841,536,585.56/18,954
  6. Step 6: Final answer
    x = 44,398.89

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.