Home / 491,976-720,468

Finding the Third Proportional to 491,976 and 720,468

Calculator

Solution

The third proportional to 491,976 and 720,468 is: 1,055,080.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,976 : 720,468 = 720,468 : x
  2. Step 2: Convert to fraction form
    491,976/720,468 = 720,468/x
  3. Step 3: Cross multiply
    491,976x = 720,468 × 720,468
  4. Step 4: Simplify right side
    491,976x = 519,074,139,024
  5. Step 5: Solve for x
    x = 519,074,139,024/491,976
  6. Step 6: Final answer
    x = 1,055,080.21

Related Problems

Find third proportional to 245,988 and 360,234
Half scale
Find third proportional to 983,952 and 1,440,936
Double scale
Find third proportional to 491,978 and 720,471
Similar ratio
Find third proportional to 737,964 and 1,080,702
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.