Home / 831,912-1,339,740

Finding the Third Proportional to 831,912 and 1,339,740

Calculator

Solution

The third proportional to 831,912 and 1,339,740 is: 2,157,563.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,912 : 1,339,740 = 1,339,740 : x
  2. Step 2: Convert to fraction form
    831,912/1,339,740 = 1,339,740/x
  3. Step 3: Cross multiply
    831,912x = 1,339,740 × 1,339,740
  4. Step 4: Simplify right side
    831,912x = 1,794,903,267,600
  5. Step 5: Solve for x
    x = 1,794,903,267,600/831,912
  6. Step 6: Final answer
    x = 2,157,563.86

Related Problems

Find third proportional to 415,956 and 669,870
Half scale
Find third proportional to 1,663,824 and 2,679,480
Double scale
Find third proportional to 831,914 and 1,339,743
Similar ratio
Find third proportional to 1,247,868 and 2,009,610
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.