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Finding the Third Proportional to 20,148 and 43,065

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Solution

The third proportional to 20,148 and 43,065 is: 92,048.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148 : 43,065 = 43,065 : x
  2. Step 2: Convert to fraction form
    20,148/43,065 = 43,065/x
  3. Step 3: Cross multiply
    20,148x = 43,065 × 43,065
  4. Step 4: Simplify right side
    20,148x = 1,854,594,225
  5. Step 5: Solve for x
    x = 1,854,594,225/20,148
  6. Step 6: Final answer
    x = 92,048.55

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.