Home / 440,502-669,979

Finding the Third Proportional to 440,502 and 669,979

Calculator

Solution

The third proportional to 440,502 and 669,979 is: 1,019,000.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,502 : 669,979 = 669,979 : x
  2. Step 2: Convert to fraction form
    440,502/669,979 = 669,979/x
  3. Step 3: Cross multiply
    440,502x = 669,979 × 669,979
  4. Step 4: Simplify right side
    440,502x = 448,871,860,441
  5. Step 5: Solve for x
    x = 448,871,860,441/440,502
  6. Step 6: Final answer
    x = 1,019,000.73

Related Problems

Find third proportional to 220,251 and 334,989.50
Half scale
Find third proportional to 881,004 and 1,339,958
Double scale
Find third proportional to 440,504 and 669,982
Similar ratio
Find third proportional to 660,753 and 1,004,968.50
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.