Home / 61,458-129,095

Finding the Third Proportional to 61,458 and 129,095

Calculator

Solution

The third proportional to 61,458 and 129,095 is: 271,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,458 : 129,095 = 129,095 : x
  2. Step 2: Convert to fraction form
    61,458/129,095 = 129,095/x
  3. Step 3: Cross multiply
    61,458x = 129,095 × 129,095
  4. Step 4: Simplify right side
    61,458x = 16,665,519,025
  5. Step 5: Solve for x
    x = 16,665,519,025/61,458
  6. Step 6: Final answer
    x = 271,169.24

Related Problems

Find third proportional to 30,729 and 64,547.50
Half scale
Find third proportional to 122,916 and 258,190
Double scale
Find third proportional to 61,460 and 129,099
Similar ratio
Find third proportional to 92,187 and 193,642.50
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.