Home / 122,119-266,630

Finding the Third Proportional to 122,119 and 266,630

Calculator

Solution

The third proportional to 122,119 and 266,630 is: 582,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,119 : 266,630 = 266,630 : x
  2. Step 2: Convert to fraction form
    122,119/266,630 = 266,630/x
  3. Step 3: Cross multiply
    122,119x = 266,630 × 266,630
  4. Step 4: Simplify right side
    122,119x = 71,091,556,900
  5. Step 5: Solve for x
    x = 71,091,556,900/122,119
  6. Step 6: Final answer
    x = 582,149.84

Related Problems

Find third proportional to 61,059.50 and 133,315
Half scale
Find third proportional to 244,238 and 533,260
Double scale
Find third proportional to 122,121 and 266,634
Similar ratio
Find third proportional to 183,178.50 and 399,945
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.