Home / 85,134-128,886

Finding the Third Proportional to 85,134 and 128,886

Calculator

Solution

The third proportional to 85,134 and 128,886 is: 195,122.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,134 : 128,886 = 128,886 : x
  2. Step 2: Convert to fraction form
    85,134/128,886 = 128,886/x
  3. Step 3: Cross multiply
    85,134x = 128,886 × 128,886
  4. Step 4: Simplify right side
    85,134x = 16,611,600,996
  5. Step 5: Solve for x
    x = 16,611,600,996/85,134
  6. Step 6: Final answer
    x = 195,122.99

Related Problems

Find third proportional to 42,567 and 64,443
Half scale
Find third proportional to 170,268 and 257,772
Double scale
Find third proportional to 85,136 and 128,889
Similar ratio
Find third proportional to 127,701 and 193,329
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.