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Finding the Third Proportional to 18,112 and 25,506

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Solution

The third proportional to 18,112 and 25,506 is: 35,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112 : 25,506 = 25,506 : x
  2. Step 2: Convert to fraction form
    18,112/25,506 = 25,506/x
  3. Step 3: Cross multiply
    18,112x = 25,506 × 25,506
  4. Step 4: Simplify right side
    18,112x = 650,556,036
  5. Step 5: Solve for x
    x = 650,556,036/18,112
  6. Step 6: Final answer
    x = 35,918.51

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.