Home / 221,269-335,247

Finding the Third Proportional to 221,269 and 335,247

Calculator

Solution

The third proportional to 221,269 and 335,247 is: 507,936.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,269 : 335,247 = 335,247 : x
  2. Step 2: Convert to fraction form
    221,269/335,247 = 335,247/x
  3. Step 3: Cross multiply
    221,269x = 335,247 × 335,247
  4. Step 4: Simplify right side
    221,269x = 112,390,551,009
  5. Step 5: Solve for x
    x = 112,390,551,009/221,269
  6. Step 6: Final answer
    x = 507,936.27

Related Problems

Find third proportional to 110,634.50 and 167,623.50
Half scale
Find third proportional to 442,538 and 670,494
Double scale
Find third proportional to 221,271 and 335,250
Similar ratio
Find third proportional to 331,903.50 and 502,870.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.