Home / 275,515.50-396,838.50

Finding the Third Proportional to 275,515.50 and 396,838.50

Calculator

Solution

The third proportional to 275,515.50 and 396,838.50 is: 571,585.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,515.50 : 396,838.50 = 396,838.50 : x
  2. Step 2: Convert to fraction form
    275,515.50/396,838.50 = 396,838.50/x
  3. Step 3: Cross multiply
    275,515.50x = 396,838.50 × 396,838.50
  4. Step 4: Simplify right side
    275,515.50x = 157,480,795,082.25
  5. Step 5: Solve for x
    x = 157,480,795,082.25/275,515.50
  6. Step 6: Final answer
    x = 571,585.97

Related Problems

Find third proportional to 137,757.75 and 198,419.25
Half scale
Find third proportional to 551,031 and 793,677
Double scale
Find third proportional to 275,518 and 396,841
Similar ratio
Find third proportional to 413,273.25 and 595,257.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.