Home / 122,400-183,960

Finding the Third Proportional to 122,400 and 183,960

Calculator

Solution

The third proportional to 122,400 and 183,960 is: 276,481.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,400 : 183,960 = 183,960 : x
  2. Step 2: Convert to fraction form
    122,400/183,960 = 183,960/x
  3. Step 3: Cross multiply
    122,400x = 183,960 × 183,960
  4. Step 4: Simplify right side
    122,400x = 33,841,281,600
  5. Step 5: Solve for x
    x = 33,841,281,600/122,400
  6. Step 6: Final answer
    x = 276,481.06

Related Problems

Find third proportional to 61,200 and 91,980
Half scale
Find third proportional to 244,800 and 367,920
Double scale
Find third proportional to 122,402 and 183,963
Similar ratio
Find third proportional to 183,600 and 275,940
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.