Home / 210,849-318,906

Finding the Third Proportional to 210,849 and 318,906

Calculator

Solution

The third proportional to 210,849 and 318,906 is: 482,340.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,849 : 318,906 = 318,906 : x
  2. Step 2: Convert to fraction form
    210,849/318,906 = 318,906/x
  3. Step 3: Cross multiply
    210,849x = 318,906 × 318,906
  4. Step 4: Simplify right side
    210,849x = 101,701,036,836
  5. Step 5: Solve for x
    x = 101,701,036,836/210,849
  6. Step 6: Final answer
    x = 482,340.62

Related Problems

Find third proportional to 105,424.50 and 159,453
Half scale
Find third proportional to 421,698 and 637,812
Double scale
Find third proportional to 210,851 and 318,909
Similar ratio
Find third proportional to 316,273.50 and 478,359
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.