Home / 203,430-314,992

Finding the Third Proportional to 203,430 and 314,992

Calculator

Solution

The third proportional to 203,430 and 314,992 is: 487,735.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,430 : 314,992 = 314,992 : x
  2. Step 2: Convert to fraction form
    203,430/314,992 = 314,992/x
  3. Step 3: Cross multiply
    203,430x = 314,992 × 314,992
  4. Step 4: Simplify right side
    203,430x = 99,219,960,064
  5. Step 5: Solve for x
    x = 99,219,960,064/203,430
  6. Step 6: Final answer
    x = 487,735.14

Related Problems

Find third proportional to 101,715 and 157,496
Half scale
Find third proportional to 406,860 and 629,984
Double scale
Find third proportional to 203,432 and 314,995
Similar ratio
Find third proportional to 305,145 and 472,488
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.