Home / 201,940-313,570

Finding the Third Proportional to 201,940 and 313,570

Calculator

Solution

The third proportional to 201,940 and 313,570 is: 486,907.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,940 : 313,570 = 313,570 : x
  2. Step 2: Convert to fraction form
    201,940/313,570 = 313,570/x
  3. Step 3: Cross multiply
    201,940x = 313,570 × 313,570
  4. Step 4: Simplify right side
    201,940x = 98,326,144,900
  5. Step 5: Solve for x
    x = 98,326,144,900/201,940
  6. Step 6: Final answer
    x = 486,907.72

Related Problems

Find third proportional to 100,970 and 156,785
Half scale
Find third proportional to 403,880 and 627,140
Double scale
Find third proportional to 201,942 and 313,573
Similar ratio
Find third proportional to 302,910 and 470,355
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.