Home / 211,528-323,991

Finding the Third Proportional to 211,528 and 323,991

Calculator

Solution

The third proportional to 211,528 and 323,991 is: 496,247.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,528 : 323,991 = 323,991 : x
  2. Step 2: Convert to fraction form
    211,528/323,991 = 323,991/x
  3. Step 3: Cross multiply
    211,528x = 323,991 × 323,991
  4. Step 4: Simplify right side
    211,528x = 104,970,168,081
  5. Step 5: Solve for x
    x = 104,970,168,081/211,528
  6. Step 6: Final answer
    x = 496,247.15

Related Problems

Find third proportional to 105,764 and 161,995.50
Half scale
Find third proportional to 423,056 and 647,982
Double scale
Find third proportional to 211,530 and 323,994
Similar ratio
Find third proportional to 317,292 and 485,986.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.