Home / 355,311-531,279

Finding the Third Proportional to 355,311 and 531,279

Calculator

Solution

The third proportional to 355,311 and 531,279 is: 794,395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,311 : 531,279 = 531,279 : x
  2. Step 2: Convert to fraction form
    355,311/531,279 = 531,279/x
  3. Step 3: Cross multiply
    355,311x = 531,279 × 531,279
  4. Step 4: Simplify right side
    355,311x = 282,257,375,841
  5. Step 5: Solve for x
    x = 282,257,375,841/355,311
  6. Step 6: Final answer
    x = 794,395.26

Related Problems

Find third proportional to 177,655.50 and 265,639.50
Half scale
Find third proportional to 710,622 and 1,062,558
Double scale
Find third proportional to 355,313 and 531,282
Similar ratio
Find third proportional to 532,966.50 and 796,918.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.