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Finding the Third Proportional to 46,619 and 69,929

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Solution

The third proportional to 46,619 and 69,929 is: 104,894.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,619 : 69,929 = 69,929 : x
  2. Step 2: Convert to fraction form
    46,619/69,929 = 69,929/x
  3. Step 3: Cross multiply
    46,619x = 69,929 × 69,929
  4. Step 4: Simplify right side
    46,619x = 4,890,065,041
  5. Step 5: Solve for x
    x = 4,890,065,041/46,619
  6. Step 6: Final answer
    x = 104,894.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.