Home / 7,620-11,398.50

Finding the Third Proportional to 7,620 and 11,398.50

Calculator

Solution

The third proportional to 7,620 and 11,398.50 is: 17,050.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620 : 11,398.50 = 11,398.50 : x
  2. Step 2: Convert to fraction form
    7,620/11,398.50 = 11,398.50/x
  3. Step 3: Cross multiply
    7,620x = 11,398.50 × 11,398.50
  4. Step 4: Simplify right side
    7,620x = 129,925,802.25
  5. Step 5: Solve for x
    x = 129,925,802.25/7,620
  6. Step 6: Final answer
    x = 17,050.63

Related Problems

Find third proportional to 3,810 and 5,699.25
Half scale
Find third proportional to 15,240 and 22,797
Double scale
Find third proportional to 7,622 and 11,401
Similar ratio
Find third proportional to 11,430 and 17,097.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.