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Finding the Third Proportional to 28,806.75 and 69,720.75

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Solution

The third proportional to 28,806.75 and 69,720.75 is: 168,744.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,806.75 : 69,720.75 = 69,720.75 : x
  2. Step 2: Convert to fraction form
    28,806.75/69,720.75 = 69,720.75/x
  3. Step 3: Cross multiply
    28,806.75x = 69,720.75 × 69,720.75
  4. Step 4: Simplify right side
    28,806.75x = 4,860,982,980.56
  5. Step 5: Solve for x
    x = 4,860,982,980.56/28,806.75
  6. Step 6: Final answer
    x = 168,744.58

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.