Home / 78,640.50-125,085

Finding the Third Proportional to 78,640.50 and 125,085

Calculator

Solution

The third proportional to 78,640.50 and 125,085 is: 198,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,640.50 : 125,085 = 125,085 : x
  2. Step 2: Convert to fraction form
    78,640.50/125,085 = 125,085/x
  3. Step 3: Cross multiply
    78,640.50x = 125,085 × 125,085
  4. Step 4: Simplify right side
    78,640.50x = 15,646,257,225
  5. Step 5: Solve for x
    x = 15,646,257,225/78,640.50
  6. Step 6: Final answer
    x = 198,959.28

Related Problems

Find third proportional to 39,320.25 and 62,542.50
Half scale
Find third proportional to 157,281 and 250,170
Double scale
Find third proportional to 78,643 and 125,088
Similar ratio
Find third proportional to 117,960.75 and 187,627.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.