Home / 100,554-210,900

Finding the Third Proportional to 100,554 and 210,900

Calculator

Solution

The third proportional to 100,554 and 210,900 is: 442,337.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,554 : 210,900 = 210,900 : x
  2. Step 2: Convert to fraction form
    100,554/210,900 = 210,900/x
  3. Step 3: Cross multiply
    100,554x = 210,900 × 210,900
  4. Step 4: Simplify right side
    100,554x = 44,478,810,000
  5. Step 5: Solve for x
    x = 44,478,810,000/100,554
  6. Step 6: Final answer
    x = 442,337.55

Related Problems

Find third proportional to 50,277 and 105,450
Half scale
Find third proportional to 201,108 and 421,800
Double scale
Find third proportional to 100,556 and 210,904
Similar ratio
Find third proportional to 150,831 and 316,350
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.