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Finding the Third Proportional to 69,582 and 150,278

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Solution

The third proportional to 69,582 and 150,278 is: 324,559.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,582 : 150,278 = 150,278 : x
  2. Step 2: Convert to fraction form
    69,582/150,278 = 150,278/x
  3. Step 3: Cross multiply
    69,582x = 150,278 × 150,278
  4. Step 4: Simplify right side
    69,582x = 22,583,477,284
  5. Step 5: Solve for x
    x = 22,583,477,284/69,582
  6. Step 6: Final answer
    x = 324,559.19

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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.