Home / 184,690-398,908

Finding the Third Proportional to 184,690 and 398,908

Calculator

Solution

The third proportional to 184,690 and 398,908 is: 861,592.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,690 : 398,908 = 398,908 : x
  2. Step 2: Convert to fraction form
    184,690/398,908 = 398,908/x
  3. Step 3: Cross multiply
    184,690x = 398,908 × 398,908
  4. Step 4: Simplify right side
    184,690x = 159,127,592,464
  5. Step 5: Solve for x
    x = 159,127,592,464/184,690
  6. Step 6: Final answer
    x = 861,592.90

Related Problems

Find third proportional to 92,345 and 199,454
Half scale
Find third proportional to 369,380 and 797,816
Double scale
Find third proportional to 184,692 and 398,912
Similar ratio
Find third proportional to 277,035 and 598,362
1.5x scale

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.