Home / 306,992-440,724

Finding the Third Proportional to 306,992 and 440,724

Calculator

Solution

The third proportional to 306,992 and 440,724 is: 632,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,992 : 440,724 = 440,724 : x
  2. Step 2: Convert to fraction form
    306,992/440,724 = 440,724/x
  3. Step 3: Cross multiply
    306,992x = 440,724 × 440,724
  4. Step 4: Simplify right side
    306,992x = 194,237,644,176
  5. Step 5: Solve for x
    x = 194,237,644,176/306,992
  6. Step 6: Final answer
    x = 632,712.40

Related Problems

Find third proportional to 153,496 and 220,362
Half scale
Find third proportional to 613,984 and 881,448
Double scale
Find third proportional to 306,994 and 440,727
Similar ratio
Find third proportional to 460,488 and 661,086
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.