Home / 141,912-211,638

Finding the Third Proportional to 141,912 and 211,638

Calculator

Solution

The third proportional to 141,912 and 211,638 is: 315,622.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,912 : 211,638 = 211,638 : x
  2. Step 2: Convert to fraction form
    141,912/211,638 = 211,638/x
  3. Step 3: Cross multiply
    141,912x = 211,638 × 211,638
  4. Step 4: Simplify right side
    141,912x = 44,790,643,044
  5. Step 5: Solve for x
    x = 44,790,643,044/141,912
  6. Step 6: Final answer
    x = 315,622.66

Related Problems

Find third proportional to 70,956 and 105,819
Half scale
Find third proportional to 283,824 and 423,276
Double scale
Find third proportional to 141,914 and 211,641
Similar ratio
Find third proportional to 212,868 and 317,457
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.