Home / 68,647.50-100,743.75

Finding the Third Proportional to 68,647.50 and 100,743.75

Calculator

Solution

The third proportional to 68,647.50 and 100,743.75 is: 147,846.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,647.50 : 100,743.75 = 100,743.75 : x
  2. Step 2: Convert to fraction form
    68,647.50/100,743.75 = 100,743.75/x
  3. Step 3: Cross multiply
    68,647.50x = 100,743.75 × 100,743.75
  4. Step 4: Simplify right side
    68,647.50x = 10,149,303,164.06
  5. Step 5: Solve for x
    x = 10,149,303,164.06/68,647.50
  6. Step 6: Final answer
    x = 147,846.65

Related Problems

Find third proportional to 34,323.75 and 50,371.88
Half scale
Find third proportional to 137,295 and 201,487.50
Double scale
Find third proportional to 68,650 and 100,747
Similar ratio
Find third proportional to 102,971.25 and 151,115.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.