Home / 184,920-278,688

Finding the Third Proportional to 184,920 and 278,688

Calculator

Solution

The third proportional to 184,920 and 278,688 is: 420,003.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,920 : 278,688 = 278,688 : x
  2. Step 2: Convert to fraction form
    184,920/278,688 = 278,688/x
  3. Step 3: Cross multiply
    184,920x = 278,688 × 278,688
  4. Step 4: Simplify right side
    184,920x = 77,667,001,344
  5. Step 5: Solve for x
    x = 77,667,001,344/184,920
  6. Step 6: Final answer
    x = 420,003.25

Related Problems

Find third proportional to 92,460 and 139,344
Half scale
Find third proportional to 369,840 and 557,376
Double scale
Find third proportional to 184,922 and 278,691
Similar ratio
Find third proportional to 277,380 and 418,032
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.