Home / 71,454-156,912

Finding the Third Proportional to 71,454 and 156,912

Calculator

Solution

The third proportional to 71,454 and 156,912 is: 344,576.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,454 : 156,912 = 156,912 : x
  2. Step 2: Convert to fraction form
    71,454/156,912 = 156,912/x
  3. Step 3: Cross multiply
    71,454x = 156,912 × 156,912
  4. Step 4: Simplify right side
    71,454x = 24,621,375,744
  5. Step 5: Solve for x
    x = 24,621,375,744/71,454
  6. Step 6: Final answer
    x = 344,576.59

Related Problems

Find third proportional to 35,727 and 78,456
Half scale
Find third proportional to 142,908 and 313,824
Double scale
Find third proportional to 71,456 and 156,916
Similar ratio
Find third proportional to 107,181 and 235,368
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.