Home / 143,160-323,439

Finding the Third Proportional to 143,160 and 323,439

Calculator

Solution

The third proportional to 143,160 and 323,439 is: 730,740.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,160 : 323,439 = 323,439 : x
  2. Step 2: Convert to fraction form
    143,160/323,439 = 323,439/x
  3. Step 3: Cross multiply
    143,160x = 323,439 × 323,439
  4. Step 4: Simplify right side
    143,160x = 104,612,786,721
  5. Step 5: Solve for x
    x = 104,612,786,721/143,160
  6. Step 6: Final answer
    x = 730,740.34

Related Problems

Find third proportional to 71,580 and 161,719.50
Half scale
Find third proportional to 286,320 and 646,878
Double scale
Find third proportional to 143,162 and 323,444
Similar ratio
Find third proportional to 214,740 and 485,158.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.