Home / 71,377-153,716

Finding the Third Proportional to 71,377 and 153,716

Calculator

Solution

The third proportional to 71,377 and 153,716 is: 331,039.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,377 : 153,716 = 153,716 : x
  2. Step 2: Convert to fraction form
    71,377/153,716 = 153,716/x
  3. Step 3: Cross multiply
    71,377x = 153,716 × 153,716
  4. Step 4: Simplify right side
    71,377x = 23,628,608,656
  5. Step 5: Solve for x
    x = 23,628,608,656/71,377
  6. Step 6: Final answer
    x = 331,039.53

Related Problems

Find third proportional to 35,688.50 and 76,858
Half scale
Find third proportional to 142,754 and 307,432
Double scale
Find third proportional to 71,379 and 153,720
Similar ratio
Find third proportional to 107,065.50 and 230,574
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.