Home / 201,886-313,480

Finding the Third Proportional to 201,886 and 313,480

Calculator

Solution

The third proportional to 201,886 and 313,480 is: 486,758.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,886 : 313,480 = 313,480 : x
  2. Step 2: Convert to fraction form
    201,886/313,480 = 313,480/x
  3. Step 3: Cross multiply
    201,886x = 313,480 × 313,480
  4. Step 4: Simplify right side
    201,886x = 98,269,710,400
  5. Step 5: Solve for x
    x = 98,269,710,400/201,886
  6. Step 6: Final answer
    x = 486,758.42

Related Problems

Find third proportional to 100,943 and 156,740
Half scale
Find third proportional to 403,772 and 626,960
Double scale
Find third proportional to 201,888 and 313,483
Similar ratio
Find third proportional to 302,829 and 470,220
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.