Home / 77,036-114,915

Finding the Third Proportional to 77,036 and 114,915

Calculator

Solution

The third proportional to 77,036 and 114,915 is: 171,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,036 : 114,915 = 114,915 : x
  2. Step 2: Convert to fraction form
    77,036/114,915 = 114,915/x
  3. Step 3: Cross multiply
    77,036x = 114,915 × 114,915
  4. Step 4: Simplify right side
    77,036x = 13,205,457,225
  5. Step 5: Solve for x
    x = 13,205,457,225/77,036
  6. Step 6: Final answer
    x = 171,419.30

Related Problems

Find third proportional to 38,518 and 57,457.50
Half scale
Find third proportional to 154,072 and 229,830
Double scale
Find third proportional to 77,038 and 114,918
Similar ratio
Find third proportional to 115,554 and 172,372.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.