Home / 120,985-188,103

Finding the Third Proportional to 120,985 and 188,103

Calculator

Solution

The third proportional to 120,985 and 188,103 is: 292,455.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,985 : 188,103 = 188,103 : x
  2. Step 2: Convert to fraction form
    120,985/188,103 = 188,103/x
  3. Step 3: Cross multiply
    120,985x = 188,103 × 188,103
  4. Step 4: Simplify right side
    120,985x = 35,382,738,609
  5. Step 5: Solve for x
    x = 35,382,738,609/120,985
  6. Step 6: Final answer
    x = 292,455.58

Related Problems

Find third proportional to 60,492.50 and 94,051.50
Half scale
Find third proportional to 241,970 and 376,206
Double scale
Find third proportional to 120,987 and 188,106
Similar ratio
Find third proportional to 181,477.50 and 282,154.50
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.