Home / 403,878-881,108

Finding the Third Proportional to 403,878 and 881,108

Calculator

Solution

The third proportional to 403,878 and 881,108 is: 1,922,242.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,878 : 881,108 = 881,108 : x
  2. Step 2: Convert to fraction form
    403,878/881,108 = 881,108/x
  3. Step 3: Cross multiply
    403,878x = 881,108 × 881,108
  4. Step 4: Simplify right side
    403,878x = 776,351,307,664
  5. Step 5: Solve for x
    x = 776,351,307,664/403,878
  6. Step 6: Final answer
    x = 1,922,242.13

Related Problems

Find third proportional to 201,939 and 440,554
Half scale
Find third proportional to 807,756 and 1,762,216
Double scale
Find third proportional to 403,880 and 881,112
Similar ratio
Find third proportional to 605,817 and 1,321,662
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.