Home / 7,144-9,308

Finding the Third Proportional to 7,144 and 9,308

Calculator

Solution

The third proportional to 7,144 and 9,308 is: 12,127.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144 : 9,308 = 9,308 : x
  2. Step 2: Convert to fraction form
    7,144/9,308 = 9,308/x
  3. Step 3: Cross multiply
    7,144x = 9,308 × 9,308
  4. Step 4: Simplify right side
    7,144x = 86,638,864
  5. Step 5: Solve for x
    x = 86,638,864/7,144
  6. Step 6: Final answer
    x = 12,127.50

Related Problems

Find third proportional to 3,572 and 4,654
Half scale
Find third proportional to 14,288 and 18,616
Double scale
Find third proportional to 7,146 and 9,311
Similar ratio
Find third proportional to 10,716 and 13,962
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.