Home / 7,142-15,148

Finding the Third Proportional to 7,142 and 15,148

Calculator

Solution

The third proportional to 7,142 and 15,148 is: 32,128.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142 : 15,148 = 15,148 : x
  2. Step 2: Convert to fraction form
    7,142/15,148 = 15,148/x
  3. Step 3: Cross multiply
    7,142x = 15,148 × 15,148
  4. Step 4: Simplify right side
    7,142x = 229,461,904
  5. Step 5: Solve for x
    x = 229,461,904/7,142
  6. Step 6: Final answer
    x = 32,128.52

Related Problems

Find third proportional to 3,571 and 7,574
Half scale
Find third proportional to 14,284 and 30,296
Double scale
Find third proportional to 7,144 and 15,152
Similar ratio
Find third proportional to 10,713 and 22,722
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.