Home / 311,841-486,013.50

Finding the Third Proportional to 311,841 and 486,013.50

Calculator

Solution

The third proportional to 311,841 and 486,013.50 is: 757,466.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,841 : 486,013.50 = 486,013.50 : x
  2. Step 2: Convert to fraction form
    311,841/486,013.50 = 486,013.50/x
  3. Step 3: Cross multiply
    311,841x = 486,013.50 × 486,013.50
  4. Step 4: Simplify right side
    311,841x = 236,209,122,182.25
  5. Step 5: Solve for x
    x = 236,209,122,182.25/311,841
  6. Step 6: Final answer
    x = 757,466.54

Related Problems

Find third proportional to 155,920.50 and 243,006.75
Half scale
Find third proportional to 623,682 and 972,027
Double scale
Find third proportional to 311,843 and 486,017
Similar ratio
Find third proportional to 467,761.50 and 729,020.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.