Home / 210,085-302,005

Finding the Third Proportional to 210,085 and 302,005

Calculator

Solution

The third proportional to 210,085 and 302,005 is: 434,143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,085 : 302,005 = 302,005 : x
  2. Step 2: Convert to fraction form
    210,085/302,005 = 302,005/x
  3. Step 3: Cross multiply
    210,085x = 302,005 × 302,005
  4. Step 4: Simplify right side
    210,085x = 91,207,020,025
  5. Step 5: Solve for x
    x = 91,207,020,025/210,085
  6. Step 6: Final answer
    x = 434,143.42

Related Problems

Find third proportional to 105,042.50 and 151,002.50
Half scale
Find third proportional to 420,170 and 604,010
Double scale
Find third proportional to 210,087 and 302,008
Similar ratio
Find third proportional to 315,127.50 and 453,007.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.