Home / 257,472-376,992

Finding the Third Proportional to 257,472 and 376,992

Calculator

Solution

The third proportional to 257,472 and 376,992 is: 551,993.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,472 : 376,992 = 376,992 : x
  2. Step 2: Convert to fraction form
    257,472/376,992 = 376,992/x
  3. Step 3: Cross multiply
    257,472x = 376,992 × 376,992
  4. Step 4: Simplify right side
    257,472x = 142,122,968,064
  5. Step 5: Solve for x
    x = 142,122,968,064/257,472
  6. Step 6: Final answer
    x = 551,993.88

Related Problems

Find third proportional to 128,736 and 188,496
Half scale
Find third proportional to 514,944 and 753,984
Double scale
Find third proportional to 257,474 and 376,995
Similar ratio
Find third proportional to 386,208 and 565,488
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.