Home / 201,630-313,605

Finding the Third Proportional to 201,630 and 313,605

Calculator

Solution

The third proportional to 201,630 and 313,605 is: 487,765.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,630 : 313,605 = 313,605 : x
  2. Step 2: Convert to fraction form
    201,630/313,605 = 313,605/x
  3. Step 3: Cross multiply
    201,630x = 313,605 × 313,605
  4. Step 4: Simplify right side
    201,630x = 98,348,096,025
  5. Step 5: Solve for x
    x = 98,348,096,025/201,630
  6. Step 6: Final answer
    x = 487,765.19

Related Problems

Find third proportional to 100,815 and 156,802.50
Half scale
Find third proportional to 403,260 and 627,210
Double scale
Find third proportional to 201,632 and 313,608
Similar ratio
Find third proportional to 302,445 and 470,407.50
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.