Home / 276,590-427,168

Finding the Third Proportional to 276,590 and 427,168

Calculator

Solution

The third proportional to 276,590 and 427,168 is: 659,721.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,590 : 427,168 = 427,168 : x
  2. Step 2: Convert to fraction form
    276,590/427,168 = 427,168/x
  3. Step 3: Cross multiply
    276,590x = 427,168 × 427,168
  4. Step 4: Simplify right side
    276,590x = 182,472,500,224
  5. Step 5: Solve for x
    x = 182,472,500,224/276,590
  6. Step 6: Final answer
    x = 659,721.97

Related Problems

Find third proportional to 138,295 and 213,584
Half scale
Find third proportional to 553,180 and 854,336
Double scale
Find third proportional to 276,592 and 427,171
Similar ratio
Find third proportional to 414,885 and 640,752
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.