Home / 215,744-323,454

Finding the Third Proportional to 215,744 and 323,454

Calculator

Solution

The third proportional to 215,744 and 323,454 is: 484,938.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,744 : 323,454 = 323,454 : x
  2. Step 2: Convert to fraction form
    215,744/323,454 = 323,454/x
  3. Step 3: Cross multiply
    215,744x = 323,454 × 323,454
  4. Step 4: Simplify right side
    215,744x = 104,622,490,116
  5. Step 5: Solve for x
    x = 104,622,490,116/215,744
  6. Step 6: Final answer
    x = 484,938.12

Related Problems

Find third proportional to 107,872 and 161,727
Half scale
Find third proportional to 431,488 and 646,908
Double scale
Find third proportional to 215,746 and 323,457
Similar ratio
Find third proportional to 323,616 and 485,181
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.