Home / 149,220-343,647

Finding the Third Proportional to 149,220 and 343,647

Calculator

Solution

The third proportional to 149,220 and 343,647 is: 791,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,220 : 343,647 = 343,647 : x
  2. Step 2: Convert to fraction form
    149,220/343,647 = 343,647/x
  3. Step 3: Cross multiply
    149,220x = 343,647 × 343,647
  4. Step 4: Simplify right side
    149,220x = 118,093,260,609
  5. Step 5: Solve for x
    x = 118,093,260,609/149,220
  6. Step 6: Final answer
    x = 791,403.70

Related Problems

Find third proportional to 74,610 and 171,823.50
Half scale
Find third proportional to 298,440 and 687,294
Double scale
Find third proportional to 149,222 and 343,652
Similar ratio
Find third proportional to 223,830 and 515,470.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.