Home / 65,685-136,041

Finding the Third Proportional to 65,685 and 136,041

Calculator

Solution

The third proportional to 65,685 and 136,041 is: 281,756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,685 : 136,041 = 136,041 : x
  2. Step 2: Convert to fraction form
    65,685/136,041 = 136,041/x
  3. Step 3: Cross multiply
    65,685x = 136,041 × 136,041
  4. Step 4: Simplify right side
    65,685x = 18,507,153,681
  5. Step 5: Solve for x
    x = 18,507,153,681/65,685
  6. Step 6: Final answer
    x = 281,756.16

Related Problems

Find third proportional to 32,842.50 and 68,020.50
Half scale
Find third proportional to 131,370 and 272,082
Double scale
Find third proportional to 65,687 and 136,045
Similar ratio
Find third proportional to 98,527.50 and 204,061.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.