Home / 377,640.56-821,685.94

Finding the Third Proportional to 377,640.56 and 821,685.94

Calculator

Solution

The third proportional to 377,640.56 and 821,685.94 is: 1,787,858.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,640.56 : 821,685.94 = 821,685.94 : x
  2. Step 2: Convert to fraction form
    377,640.56/821,685.94 = 821,685.94/x
  3. Step 3: Cross multiply
    377,640.56x = 821,685.94 × 821,685.94
  4. Step 4: Simplify right side
    377,640.56x = 675,167,779,885.25
  5. Step 5: Solve for x
    x = 675,167,779,885.25/377,640.56
  6. Step 6: Final answer
    x = 1,787,858.21

Related Problems

Find third proportional to 188,820.28 and 410,842.97
Half scale
Find third proportional to 755,281.13 and 1,643,371.88
Double scale
Find third proportional to 377,643 and 821,690
Similar ratio
Find third proportional to 566,460.84 and 1,232,528.91
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.