Home / 132,956-290,942

Finding the Third Proportional to 132,956 and 290,942

Calculator

Solution

The third proportional to 132,956 and 290,942 is: 636,656.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,956 : 290,942 = 290,942 : x
  2. Step 2: Convert to fraction form
    132,956/290,942 = 290,942/x
  3. Step 3: Cross multiply
    132,956x = 290,942 × 290,942
  4. Step 4: Simplify right side
    132,956x = 84,647,247,364
  5. Step 5: Solve for x
    x = 84,647,247,364/132,956
  6. Step 6: Final answer
    x = 636,656.09

Related Problems

Find third proportional to 66,478 and 145,471
Half scale
Find third proportional to 265,912 and 581,884
Double scale
Find third proportional to 132,958 and 290,946
Similar ratio
Find third proportional to 199,434 and 436,413
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.