Home / 61,456-129,092

Finding the Third Proportional to 61,456 and 129,092

Calculator

Solution

The third proportional to 61,456 and 129,092 is: 271,165.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,456 : 129,092 = 129,092 : x
  2. Step 2: Convert to fraction form
    61,456/129,092 = 129,092/x
  3. Step 3: Cross multiply
    61,456x = 129,092 × 129,092
  4. Step 4: Simplify right side
    61,456x = 16,664,744,464
  5. Step 5: Solve for x
    x = 16,664,744,464/61,456
  6. Step 6: Final answer
    x = 271,165.46

Related Problems

Find third proportional to 30,728 and 64,546
Half scale
Find third proportional to 122,912 and 258,184
Double scale
Find third proportional to 61,458 and 129,096
Similar ratio
Find third proportional to 92,184 and 193,638
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.