Home / 35,138-77,188

Finding the Third Proportional to 35,138 and 77,188

Calculator

Solution

The third proportional to 35,138 and 77,188 is: 169,559.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,138 : 77,188 = 77,188 : x
  2. Step 2: Convert to fraction form
    35,138/77,188 = 77,188/x
  3. Step 3: Cross multiply
    35,138x = 77,188 × 77,188
  4. Step 4: Simplify right side
    35,138x = 5,957,987,344
  5. Step 5: Solve for x
    x = 5,957,987,344/35,138
  6. Step 6: Final answer
    x = 169,559.66

Related Problems

Find third proportional to 17,569 and 38,594
Half scale
Find third proportional to 70,276 and 154,376
Double scale
Find third proportional to 35,140 and 77,192
Similar ratio
Find third proportional to 52,707 and 115,782
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.