Home / 265,866-408,657

Finding the Third Proportional to 265,866 and 408,657

Calculator

Solution

The third proportional to 265,866 and 408,657 is: 628,138.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,866 : 408,657 = 408,657 : x
  2. Step 2: Convert to fraction form
    265,866/408,657 = 408,657/x
  3. Step 3: Cross multiply
    265,866x = 408,657 × 408,657
  4. Step 4: Simplify right side
    265,866x = 167,000,543,649
  5. Step 5: Solve for x
    x = 167,000,543,649/265,866
  6. Step 6: Final answer
    x = 628,138.02

Related Problems

Find third proportional to 132,933 and 204,328.50
Half scale
Find third proportional to 531,732 and 817,314
Double scale
Find third proportional to 265,868 and 408,660
Similar ratio
Find third proportional to 398,799 and 612,985.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.