Home / 228,315-358,146

Finding the Third Proportional to 228,315 and 358,146

Calculator

Solution

The third proportional to 228,315 and 358,146 is: 561,805.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,315 : 358,146 = 358,146 : x
  2. Step 2: Convert to fraction form
    228,315/358,146 = 358,146/x
  3. Step 3: Cross multiply
    228,315x = 358,146 × 358,146
  4. Step 4: Simplify right side
    228,315x = 128,268,557,316
  5. Step 5: Solve for x
    x = 128,268,557,316/228,315
  6. Step 6: Final answer
    x = 561,805.21

Related Problems

Find third proportional to 114,157.50 and 179,073
Half scale
Find third proportional to 456,630 and 716,292
Double scale
Find third proportional to 228,317 and 358,149
Similar ratio
Find third proportional to 342,472.50 and 537,219
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.