Home / 108,975-168,809

Finding the Third Proportional to 108,975 and 168,809

Calculator

Solution

The third proportional to 108,975 and 168,809 is: 261,495.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,975 : 168,809 = 168,809 : x
  2. Step 2: Convert to fraction form
    108,975/168,809 = 168,809/x
  3. Step 3: Cross multiply
    108,975x = 168,809 × 168,809
  4. Step 4: Simplify right side
    108,975x = 28,496,478,481
  5. Step 5: Solve for x
    x = 28,496,478,481/108,975
  6. Step 6: Final answer
    x = 261,495.56

Related Problems

Find third proportional to 54,487.50 and 84,404.50
Half scale
Find third proportional to 217,950 and 337,618
Double scale
Find third proportional to 108,977 and 168,812
Similar ratio
Find third proportional to 163,462.50 and 253,213.50
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.