Home / 39,310-85,265

Finding the Third Proportional to 39,310 and 85,265

Calculator

Solution

The third proportional to 39,310 and 85,265 is: 184,943.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,310 : 85,265 = 85,265 : x
  2. Step 2: Convert to fraction form
    39,310/85,265 = 85,265/x
  3. Step 3: Cross multiply
    39,310x = 85,265 × 85,265
  4. Step 4: Simplify right side
    39,310x = 7,270,120,225
  5. Step 5: Solve for x
    x = 7,270,120,225/39,310
  6. Step 6: Final answer
    x = 184,943.28

Related Problems

Find third proportional to 19,655 and 42,632.50
Half scale
Find third proportional to 78,620 and 170,530
Double scale
Find third proportional to 39,312 and 85,269
Similar ratio
Find third proportional to 58,965 and 127,897.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.