Home / 405,225-881,802

Finding the Third Proportional to 405,225 and 881,802

Calculator

Solution

The third proportional to 405,225 and 881,802 is: 1,918,871.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,225 : 881,802 = 881,802 : x
  2. Step 2: Convert to fraction form
    405,225/881,802 = 881,802/x
  3. Step 3: Cross multiply
    405,225x = 881,802 × 881,802
  4. Step 4: Simplify right side
    405,225x = 777,574,767,204
  5. Step 5: Solve for x
    x = 777,574,767,204/405,225
  6. Step 6: Final answer
    x = 1,918,871.66

Related Problems

Find third proportional to 202,612.50 and 440,901
Half scale
Find third proportional to 810,450 and 1,763,604
Double scale
Find third proportional to 405,227 and 881,806
Similar ratio
Find third proportional to 607,837.50 and 1,322,703
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.