Home / 445,207-622,774

Finding the Third Proportional to 445,207 and 622,774

Calculator

Solution

The third proportional to 445,207 and 622,774 is: 871,162.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,207 : 622,774 = 622,774 : x
  2. Step 2: Convert to fraction form
    445,207/622,774 = 622,774/x
  3. Step 3: Cross multiply
    445,207x = 622,774 × 622,774
  4. Step 4: Simplify right side
    445,207x = 387,847,455,076
  5. Step 5: Solve for x
    x = 387,847,455,076/445,207
  6. Step 6: Final answer
    x = 871,162.08

Related Problems

Find third proportional to 222,603.50 and 311,387
Half scale
Find third proportional to 890,414 and 1,245,548
Double scale
Find third proportional to 445,209 and 622,777
Similar ratio
Find third proportional to 667,810.50 and 934,161
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.