Home / 51,011-79,253

Finding the Third Proportional to 51,011 and 79,253

Calculator

Solution

The third proportional to 51,011 and 79,253 is: 123,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,011 : 79,253 = 79,253 : x
  2. Step 2: Convert to fraction form
    51,011/79,253 = 79,253/x
  3. Step 3: Cross multiply
    51,011x = 79,253 × 79,253
  4. Step 4: Simplify right side
    51,011x = 6,281,038,009
  5. Step 5: Solve for x
    x = 6,281,038,009/51,011
  6. Step 6: Final answer
    x = 123,131.05

Related Problems

Find third proportional to 25,505.50 and 39,626.50
Half scale
Find third proportional to 102,022 and 158,506
Double scale
Find third proportional to 51,013 and 79,256
Similar ratio
Find third proportional to 76,516.50 and 118,879.50
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.