Home / 184,740-398,640

Finding the Third Proportional to 184,740 and 398,640

Calculator

Solution

The third proportional to 184,740 and 398,640 is: 860,202.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,740 : 398,640 = 398,640 : x
  2. Step 2: Convert to fraction form
    184,740/398,640 = 398,640/x
  3. Step 3: Cross multiply
    184,740x = 398,640 × 398,640
  4. Step 4: Simplify right side
    184,740x = 158,913,849,600
  5. Step 5: Solve for x
    x = 158,913,849,600/184,740
  6. Step 6: Final answer
    x = 860,202.72

Related Problems

Find third proportional to 92,370 and 199,320
Half scale
Find third proportional to 369,480 and 797,280
Double scale
Find third proportional to 184,742 and 398,644
Similar ratio
Find third proportional to 277,110 and 597,960
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.