Home / 90,488-210,180

Finding the Third Proportional to 90,488 and 210,180

Calculator

Solution

The third proportional to 90,488 and 210,180 is: 488,193.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,488 : 210,180 = 210,180 : x
  2. Step 2: Convert to fraction form
    90,488/210,180 = 210,180/x
  3. Step 3: Cross multiply
    90,488x = 210,180 × 210,180
  4. Step 4: Simplify right side
    90,488x = 44,175,632,400
  5. Step 5: Solve for x
    x = 44,175,632,400/90,488
  6. Step 6: Final answer
    x = 488,193.27

Related Problems

Find third proportional to 45,244 and 105,090
Half scale
Find third proportional to 180,976 and 420,360
Double scale
Find third proportional to 90,490 and 210,185
Similar ratio
Find third proportional to 135,732 and 315,270
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.