Home / 136,498-210,580

Finding the Third Proportional to 136,498 and 210,580

Calculator

Solution

The third proportional to 136,498 and 210,580 is: 324,868.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,498 : 210,580 = 210,580 : x
  2. Step 2: Convert to fraction form
    136,498/210,580 = 210,580/x
  3. Step 3: Cross multiply
    136,498x = 210,580 × 210,580
  4. Step 4: Simplify right side
    136,498x = 44,343,936,400
  5. Step 5: Solve for x
    x = 44,343,936,400/136,498
  6. Step 6: Final answer
    x = 324,868.76

Related Problems

Find third proportional to 68,249 and 105,290
Half scale
Find third proportional to 272,996 and 421,160
Double scale
Find third proportional to 136,500 and 210,583
Similar ratio
Find third proportional to 204,747 and 315,870
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.