Home / 85,720-134,041

Finding the Third Proportional to 85,720 and 134,041

Calculator

Solution

The third proportional to 85,720 and 134,041 is: 209,600.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,720 : 134,041 = 134,041 : x
  2. Step 2: Convert to fraction form
    85,720/134,041 = 134,041/x
  3. Step 3: Cross multiply
    85,720x = 134,041 × 134,041
  4. Step 4: Simplify right side
    85,720x = 17,966,989,681
  5. Step 5: Solve for x
    x = 17,966,989,681/85,720
  6. Step 6: Final answer
    x = 209,600.91

Related Problems

Find third proportional to 42,860 and 67,020.50
Half scale
Find third proportional to 171,440 and 268,082
Double scale
Find third proportional to 85,722 and 134,044
Similar ratio
Find third proportional to 128,580 and 201,061.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.