Home / 161,798-253,259

Finding the Third Proportional to 161,798 and 253,259

Calculator

Solution

The third proportional to 161,798 and 253,259 is: 396,420.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,798 : 253,259 = 253,259 : x
  2. Step 2: Convert to fraction form
    161,798/253,259 = 253,259/x
  3. Step 3: Cross multiply
    161,798x = 253,259 × 253,259
  4. Step 4: Simplify right side
    161,798x = 64,140,121,081
  5. Step 5: Solve for x
    x = 64,140,121,081/161,798
  6. Step 6: Final answer
    x = 396,420.98

Related Problems

Find third proportional to 80,899 and 126,629.50
Half scale
Find third proportional to 323,596 and 506,518
Double scale
Find third proportional to 161,800 and 253,262
Similar ratio
Find third proportional to 242,697 and 379,888.50
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.