Home / 91,638-201,915

Finding the Third Proportional to 91,638 and 201,915

Calculator

Solution

The third proportional to 91,638 and 201,915 is: 444,899.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,638 : 201,915 = 201,915 : x
  2. Step 2: Convert to fraction form
    91,638/201,915 = 201,915/x
  3. Step 3: Cross multiply
    91,638x = 201,915 × 201,915
  4. Step 4: Simplify right side
    91,638x = 40,769,667,225
  5. Step 5: Solve for x
    x = 40,769,667,225/91,638
  6. Step 6: Final answer
    x = 444,899.14

Related Problems

Find third proportional to 45,819 and 100,957.50
Half scale
Find third proportional to 183,276 and 403,830
Double scale
Find third proportional to 91,640 and 201,919
Similar ratio
Find third proportional to 137,457 and 302,872.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.