Home / 421,926-859,519

Finding the Third Proportional to 421,926 and 859,519

Calculator

Solution

The third proportional to 421,926 and 859,519 is: 1,750,953.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,926 : 859,519 = 859,519 : x
  2. Step 2: Convert to fraction form
    421,926/859,519 = 859,519/x
  3. Step 3: Cross multiply
    421,926x = 859,519 × 859,519
  4. Step 4: Simplify right side
    421,926x = 738,772,911,361
  5. Step 5: Solve for x
    x = 738,772,911,361/421,926
  6. Step 6: Final answer
    x = 1,750,953.75

Related Problems

Find third proportional to 210,963 and 429,759.50
Half scale
Find third proportional to 843,852 and 1,719,038
Double scale
Find third proportional to 421,928 and 859,523
Similar ratio
Find third proportional to 632,889 and 1,289,278.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.