Home / 137,675-291,889

Finding the Third Proportional to 137,675 and 291,889

Calculator

Solution

The third proportional to 137,675 and 291,889 is: 618,842.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,675 : 291,889 = 291,889 : x
  2. Step 2: Convert to fraction form
    137,675/291,889 = 291,889/x
  3. Step 3: Cross multiply
    137,675x = 291,889 × 291,889
  4. Step 4: Simplify right side
    137,675x = 85,199,188,321
  5. Step 5: Solve for x
    x = 85,199,188,321/137,675
  6. Step 6: Final answer
    x = 618,842.84

Related Problems

Find third proportional to 68,837.50 and 145,944.50
Half scale
Find third proportional to 275,350 and 583,778
Double scale
Find third proportional to 137,677 and 291,893
Similar ratio
Find third proportional to 206,512.50 and 437,833.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.