Home / 86,313-131,271

Finding the Third Proportional to 86,313 and 131,271

Calculator

Solution

The third proportional to 86,313 and 131,271 is: 199,646.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,313 : 131,271 = 131,271 : x
  2. Step 2: Convert to fraction form
    86,313/131,271 = 131,271/x
  3. Step 3: Cross multiply
    86,313x = 131,271 × 131,271
  4. Step 4: Simplify right side
    86,313x = 17,232,075,441
  5. Step 5: Solve for x
    x = 17,232,075,441/86,313
  6. Step 6: Final answer
    x = 199,646.35

Related Problems

Find third proportional to 43,156.50 and 65,635.50
Half scale
Find third proportional to 172,626 and 262,542
Double scale
Find third proportional to 86,315 and 131,274
Similar ratio
Find third proportional to 129,469.50 and 196,906.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.