Home / 121,750-265,645

Finding the Third Proportional to 121,750 and 265,645

Calculator

Solution

The third proportional to 121,750 and 265,645 is: 579,607.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,750 : 265,645 = 265,645 : x
  2. Step 2: Convert to fraction form
    121,750/265,645 = 265,645/x
  3. Step 3: Cross multiply
    121,750x = 265,645 × 265,645
  4. Step 4: Simplify right side
    121,750x = 70,567,266,025
  5. Step 5: Solve for x
    x = 70,567,266,025/121,750
  6. Step 6: Final answer
    x = 579,607.93

Related Problems

Find third proportional to 60,875 and 132,822.50
Half scale
Find third proportional to 243,500 and 531,290
Double scale
Find third proportional to 121,752 and 265,649
Similar ratio
Find third proportional to 182,625 and 398,467.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.