Home / 387,826-837,911

Finding the Third Proportional to 387,826 and 837,911

Calculator

Solution

The third proportional to 387,826 and 837,911 is: 1,810,334.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,826 : 837,911 = 837,911 : x
  2. Step 2: Convert to fraction form
    387,826/837,911 = 837,911/x
  3. Step 3: Cross multiply
    387,826x = 837,911 × 837,911
  4. Step 4: Simplify right side
    387,826x = 702,094,843,921
  5. Step 5: Solve for x
    x = 702,094,843,921/387,826
  6. Step 6: Final answer
    x = 1,810,334.64

Related Problems

Find third proportional to 193,913 and 418,955.50
Half scale
Find third proportional to 775,652 and 1,675,822
Double scale
Find third proportional to 387,828 and 837,915
Similar ratio
Find third proportional to 581,739 and 1,256,866.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.