Home / 85,194-128,985

Finding the Third Proportional to 85,194 and 128,985

Calculator

Solution

The third proportional to 85,194 and 128,985 is: 195,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,194 : 128,985 = 128,985 : x
  2. Step 2: Convert to fraction form
    85,194/128,985 = 128,985/x
  3. Step 3: Cross multiply
    85,194x = 128,985 × 128,985
  4. Step 4: Simplify right side
    85,194x = 16,637,130,225
  5. Step 5: Solve for x
    x = 16,637,130,225/85,194
  6. Step 6: Final answer
    x = 195,285.23

Related Problems

Find third proportional to 42,597 and 64,492.50
Half scale
Find third proportional to 170,388 and 257,970
Double scale
Find third proportional to 85,196 and 128,988
Similar ratio
Find third proportional to 127,791 and 193,477.50
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.