Home / 620,678-1,329,943

Finding the Third Proportional to 620,678 and 1,329,943

Calculator

Solution

The third proportional to 620,678 and 1,329,943 is: 2,849,703.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,678 : 1,329,943 = 1,329,943 : x
  2. Step 2: Convert to fraction form
    620,678/1,329,943 = 1,329,943/x
  3. Step 3: Cross multiply
    620,678x = 1,329,943 × 1,329,943
  4. Step 4: Simplify right side
    620,678x = 1,768,748,383,249
  5. Step 5: Solve for x
    x = 1,768,748,383,249/620,678
  6. Step 6: Final answer
    x = 2,849,703.68

Related Problems

Find third proportional to 310,339 and 664,971.50
Half scale
Find third proportional to 1,241,356 and 2,659,886
Double scale
Find third proportional to 620,680 and 1,329,947
Similar ratio
Find third proportional to 931,017 and 1,994,914.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.