Home / 387,012-821,044

Finding the Third Proportional to 387,012 and 821,044

Calculator

Solution

The third proportional to 387,012 and 821,044 is: 1,741,840.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,012 : 821,044 = 821,044 : x
  2. Step 2: Convert to fraction form
    387,012/821,044 = 821,044/x
  3. Step 3: Cross multiply
    387,012x = 821,044 × 821,044
  4. Step 4: Simplify right side
    387,012x = 674,113,249,936
  5. Step 5: Solve for x
    x = 674,113,249,936/387,012
  6. Step 6: Final answer
    x = 1,741,840.69

Related Problems

Find third proportional to 193,506 and 410,522
Half scale
Find third proportional to 774,024 and 1,642,088
Double scale
Find third proportional to 387,014 and 821,048
Similar ratio
Find third proportional to 580,518 and 1,231,566
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.