Home / 7,138-15,369.75

Finding the Third Proportional to 7,138 and 15,369.75

Calculator

Solution

The third proportional to 7,138 and 15,369.75 is: 33,094.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138 : 15,369.75 = 15,369.75 : x
  2. Step 2: Convert to fraction form
    7,138/15,369.75 = 15,369.75/x
  3. Step 3: Cross multiply
    7,138x = 15,369.75 × 15,369.75
  4. Step 4: Simplify right side
    7,138x = 236,229,215.06
  5. Step 5: Solve for x
    x = 236,229,215.06/7,138
  6. Step 6: Final answer
    x = 33,094.59

Related Problems

Find third proportional to 3,569 and 7,684.88
Half scale
Find third proportional to 14,276 and 30,739.50
Double scale
Find third proportional to 7,140 and 15,374
Similar ratio
Find third proportional to 10,707 and 23,054.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.