Home / 208,622-427,164

Finding the Third Proportional to 208,622 and 427,164

Calculator

Solution

The third proportional to 208,622 and 427,164 is: 874,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,622 : 427,164 = 427,164 : x
  2. Step 2: Convert to fraction form
    208,622/427,164 = 427,164/x
  3. Step 3: Cross multiply
    208,622x = 427,164 × 427,164
  4. Step 4: Simplify right side
    208,622x = 182,469,082,896
  5. Step 5: Solve for x
    x = 182,469,082,896/208,622
  6. Step 6: Final answer
    x = 874,639.70

Related Problems

Find third proportional to 104,311 and 213,582
Half scale
Find third proportional to 417,244 and 854,328
Double scale
Find third proportional to 208,624 and 427,168
Similar ratio
Find third proportional to 312,933 and 640,746
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.