Home / 228,260-343,080

Finding the Third Proportional to 228,260 and 343,080

Calculator

Solution

The third proportional to 228,260 and 343,080 is: 515,657.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,260 : 343,080 = 343,080 : x
  2. Step 2: Convert to fraction form
    228,260/343,080 = 343,080/x
  3. Step 3: Cross multiply
    228,260x = 343,080 × 343,080
  4. Step 4: Simplify right side
    228,260x = 117,703,886,400
  5. Step 5: Solve for x
    x = 117,703,886,400/228,260
  6. Step 6: Final answer
    x = 515,657.09

Related Problems

Find third proportional to 114,130 and 171,540
Half scale
Find third proportional to 456,520 and 686,160
Double scale
Find third proportional to 228,262 and 343,083
Similar ratio
Find third proportional to 342,390 and 514,620
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.