Home / 100,605-217,017

Finding the Third Proportional to 100,605 and 217,017

Calculator

Solution

The third proportional to 100,605 and 217,017 is: 468,131.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,605 : 217,017 = 217,017 : x
  2. Step 2: Convert to fraction form
    100,605/217,017 = 217,017/x
  3. Step 3: Cross multiply
    100,605x = 217,017 × 217,017
  4. Step 4: Simplify right side
    100,605x = 47,096,378,289
  5. Step 5: Solve for x
    x = 47,096,378,289/100,605
  6. Step 6: Final answer
    x = 468,131.59

Related Problems

Find third proportional to 50,302.50 and 108,508.50
Half scale
Find third proportional to 201,210 and 434,034
Double scale
Find third proportional to 100,607 and 217,021
Similar ratio
Find third proportional to 150,907.50 and 325,525.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.