Home / 78,191-125,897

Finding the Third Proportional to 78,191 and 125,897

Calculator

Solution

The third proportional to 78,191 and 125,897 is: 202,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,191 : 125,897 = 125,897 : x
  2. Step 2: Convert to fraction form
    78,191/125,897 = 125,897/x
  3. Step 3: Cross multiply
    78,191x = 125,897 × 125,897
  4. Step 4: Simplify right side
    78,191x = 15,850,054,609
  5. Step 5: Solve for x
    x = 15,850,054,609/78,191
  6. Step 6: Final answer
    x = 202,709.45

Related Problems

Find third proportional to 39,095.50 and 62,948.50
Half scale
Find third proportional to 156,382 and 251,794
Double scale
Find third proportional to 78,193 and 125,900
Similar ratio
Find third proportional to 117,286.50 and 188,845.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.