Home / 344,950-515,297

Finding the Third Proportional to 344,950 and 515,297

Calculator

Solution

The third proportional to 344,950 and 515,297 is: 769,766.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,950 : 515,297 = 515,297 : x
  2. Step 2: Convert to fraction form
    344,950/515,297 = 515,297/x
  3. Step 3: Cross multiply
    344,950x = 515,297 × 515,297
  4. Step 4: Simplify right side
    344,950x = 265,530,998,209
  5. Step 5: Solve for x
    x = 265,530,998,209/344,950
  6. Step 6: Final answer
    x = 769,766.63

Related Problems

Find third proportional to 172,475 and 257,648.50
Half scale
Find third proportional to 689,900 and 1,030,594
Double scale
Find third proportional to 344,952 and 515,300
Similar ratio
Find third proportional to 517,425 and 772,945.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.