Home / 39,160-85,378

Finding the Third Proportional to 39,160 and 85,378

Calculator

Solution

The third proportional to 39,160 and 85,378 is: 186,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,160 : 85,378 = 85,378 : x
  2. Step 2: Convert to fraction form
    39,160/85,378 = 85,378/x
  3. Step 3: Cross multiply
    39,160x = 85,378 × 85,378
  4. Step 4: Simplify right side
    39,160x = 7,289,402,884
  5. Step 5: Solve for x
    x = 7,289,402,884/39,160
  6. Step 6: Final answer
    x = 186,144.10

Related Problems

Find third proportional to 19,580 and 42,689
Half scale
Find third proportional to 78,320 and 170,756
Double scale
Find third proportional to 39,162 and 85,382
Similar ratio
Find third proportional to 58,740 and 128,067
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.