Home / 308,910-493,341

Finding the Third Proportional to 308,910 and 493,341

Calculator

Solution

The third proportional to 308,910 and 493,341 is: 787,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,910 : 493,341 = 493,341 : x
  2. Step 2: Convert to fraction form
    308,910/493,341 = 493,341/x
  3. Step 3: Cross multiply
    308,910x = 493,341 × 493,341
  4. Step 4: Simplify right side
    308,910x = 243,385,342,281
  5. Step 5: Solve for x
    x = 243,385,342,281/308,910
  6. Step 6: Final answer
    x = 787,884.31

Related Problems

Find third proportional to 154,455 and 246,670.50
Half scale
Find third proportional to 617,820 and 986,682
Double scale
Find third proportional to 308,912 and 493,344
Similar ratio
Find third proportional to 463,365 and 740,011.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.