Home / 228,258-343,078

Finding the Third Proportional to 228,258 and 343,078

Calculator

Solution

The third proportional to 228,258 and 343,078 is: 515,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,258 : 343,078 = 343,078 : x
  2. Step 2: Convert to fraction form
    228,258/343,078 = 343,078/x
  3. Step 3: Cross multiply
    228,258x = 343,078 × 343,078
  4. Step 4: Simplify right side
    228,258x = 117,702,514,084
  5. Step 5: Solve for x
    x = 117,702,514,084/228,258
  6. Step 6: Final answer
    x = 515,655.59

Related Problems

Find third proportional to 114,129 and 171,539
Half scale
Find third proportional to 456,516 and 686,156
Double scale
Find third proportional to 228,260 and 343,081
Similar ratio
Find third proportional to 342,387 and 514,617
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.