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Finding the Third Proportional to 18,302 and 39,454

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Solution

The third proportional to 18,302 and 39,454 is: 85,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,302 : 39,454 = 39,454 : x
  2. Step 2: Convert to fraction form
    18,302/39,454 = 39,454/x
  3. Step 3: Cross multiply
    18,302x = 39,454 × 39,454
  4. Step 4: Simplify right side
    18,302x = 1,556,618,116
  5. Step 5: Solve for x
    x = 1,556,618,116/18,302
  6. Step 6: Final answer
    x = 85,051.80

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.