Home / 143,576-315,675

Finding the Third Proportional to 143,576 and 315,675

Calculator

Solution

The third proportional to 143,576 and 315,675 is: 694,062.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,576 : 315,675 = 315,675 : x
  2. Step 2: Convert to fraction form
    143,576/315,675 = 315,675/x
  3. Step 3: Cross multiply
    143,576x = 315,675 × 315,675
  4. Step 4: Simplify right side
    143,576x = 99,650,705,625
  5. Step 5: Solve for x
    x = 99,650,705,625/143,576
  6. Step 6: Final answer
    x = 694,062.42

Related Problems

Find third proportional to 71,788 and 157,837.50
Half scale
Find third proportional to 287,152 and 631,350
Double scale
Find third proportional to 143,578 and 315,679
Similar ratio
Find third proportional to 215,364 and 473,512.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.