Home / 77,940-169,162

Finding the Third Proportional to 77,940 and 169,162

Calculator

Solution

The third proportional to 77,940 and 169,162 is: 367,151.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,940 : 169,162 = 169,162 : x
  2. Step 2: Convert to fraction form
    77,940/169,162 = 169,162/x
  3. Step 3: Cross multiply
    77,940x = 169,162 × 169,162
  4. Step 4: Simplify right side
    77,940x = 28,615,782,244
  5. Step 5: Solve for x
    x = 28,615,782,244/77,940
  6. Step 6: Final answer
    x = 367,151.43

Related Problems

Find third proportional to 38,970 and 84,581
Half scale
Find third proportional to 155,880 and 338,324
Double scale
Find third proportional to 77,942 and 169,166
Similar ratio
Find third proportional to 116,910 and 253,743
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.