Home / 228,398-342,591

Finding the Third Proportional to 228,398 and 342,591

Calculator

Solution

The third proportional to 228,398 and 342,591 is: 513,877.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,398 : 342,591 = 342,591 : x
  2. Step 2: Convert to fraction form
    228,398/342,591 = 342,591/x
  3. Step 3: Cross multiply
    228,398x = 342,591 × 342,591
  4. Step 4: Simplify right side
    228,398x = 117,368,593,281
  5. Step 5: Solve for x
    x = 117,368,593,281/228,398
  6. Step 6: Final answer
    x = 513,877.50

Related Problems

Find third proportional to 114,199 and 171,295.50
Half scale
Find third proportional to 456,796 and 685,182
Double scale
Find third proportional to 228,400 and 342,594
Similar ratio
Find third proportional to 342,597 and 513,886.50
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.