Home / 181,981-393,770

Finding the Third Proportional to 181,981 and 393,770

Calculator

Solution

The third proportional to 181,981 and 393,770 is: 852,038.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,981 : 393,770 = 393,770 : x
  2. Step 2: Convert to fraction form
    181,981/393,770 = 393,770/x
  3. Step 3: Cross multiply
    181,981x = 393,770 × 393,770
  4. Step 4: Simplify right side
    181,981x = 155,054,812,900
  5. Step 5: Solve for x
    x = 155,054,812,900/181,981
  6. Step 6: Final answer
    x = 852,038.47

Related Problems

Find third proportional to 90,990.50 and 196,885
Half scale
Find third proportional to 363,962 and 787,540
Double scale
Find third proportional to 181,983 and 393,774
Similar ratio
Find third proportional to 272,971.50 and 590,655
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.