Home / 21,048-36,912

Finding the Third Proportional to 21,048 and 36,912

Calculator

Solution

The third proportional to 21,048 and 36,912 is: 64,732.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048 : 36,912 = 36,912 : x
  2. Step 2: Convert to fraction form
    21,048/36,912 = 36,912/x
  3. Step 3: Cross multiply
    21,048x = 36,912 × 36,912
  4. Step 4: Simplify right side
    21,048x = 1,362,495,744
  5. Step 5: Solve for x
    x = 1,362,495,744/21,048
  6. Step 6: Final answer
    x = 64,732.79

Related Problems

Find third proportional to 10,524 and 18,456
Half scale
Find third proportional to 42,096 and 73,824
Double scale
Find third proportional to 21,050 and 36,916
Similar ratio
Find third proportional to 31,572 and 55,368
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.75) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.