Home / 69,960-149,892

Finding the Third Proportional to 69,960 and 149,892

Calculator

Solution

The third proportional to 69,960 and 149,892 is: 321,149.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,960 : 149,892 = 149,892 : x
  2. Step 2: Convert to fraction form
    69,960/149,892 = 149,892/x
  3. Step 3: Cross multiply
    69,960x = 149,892 × 149,892
  4. Step 4: Simplify right side
    69,960x = 22,467,611,664
  5. Step 5: Solve for x
    x = 22,467,611,664/69,960
  6. Step 6: Final answer
    x = 321,149.39

Related Problems

Find third proportional to 34,980 and 74,946
Half scale
Find third proportional to 139,920 and 299,784
Double scale
Find third proportional to 69,962 and 149,896
Similar ratio
Find third proportional to 104,940 and 224,838
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.