Home / 361,200-558,972

Finding the Third Proportional to 361,200 and 558,972

Calculator

Solution

The third proportional to 361,200 and 558,972 is: 865,032.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,200 : 558,972 = 558,972 : x
  2. Step 2: Convert to fraction form
    361,200/558,972 = 558,972/x
  3. Step 3: Cross multiply
    361,200x = 558,972 × 558,972
  4. Step 4: Simplify right side
    361,200x = 312,449,696,784
  5. Step 5: Solve for x
    x = 312,449,696,784/361,200
  6. Step 6: Final answer
    x = 865,032.38

Related Problems

Find third proportional to 180,600 and 279,486
Half scale
Find third proportional to 722,400 and 1,117,944
Double scale
Find third proportional to 361,202 and 558,975
Similar ratio
Find third proportional to 541,800 and 838,458
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.