Home / 257,984-371,595

Finding the Third Proportional to 257,984 and 371,595

Calculator

Solution

The third proportional to 257,984 and 371,595 is: 535,238.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,984 : 371,595 = 371,595 : x
  2. Step 2: Convert to fraction form
    257,984/371,595 = 371,595/x
  3. Step 3: Cross multiply
    257,984x = 371,595 × 371,595
  4. Step 4: Simplify right side
    257,984x = 138,082,844,025
  5. Step 5: Solve for x
    x = 138,082,844,025/257,984
  6. Step 6: Final answer
    x = 535,238.01

Related Problems

Find third proportional to 128,992 and 185,797.50
Half scale
Find third proportional to 515,968 and 743,190
Double scale
Find third proportional to 257,986 and 371,598
Similar ratio
Find third proportional to 386,976 and 557,392.50
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.