Home / 7,100-15,428

Finding the Third Proportional to 7,100 and 15,428

Calculator

Solution

The third proportional to 7,100 and 15,428 is: 33,524.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100 : 15,428 = 15,428 : x
  2. Step 2: Convert to fraction form
    7,100/15,428 = 15,428/x
  3. Step 3: Cross multiply
    7,100x = 15,428 × 15,428
  4. Step 4: Simplify right side
    7,100x = 238,023,184
  5. Step 5: Solve for x
    x = 238,023,184/7,100
  6. Step 6: Final answer
    x = 33,524.39

Related Problems

Find third proportional to 3,550 and 7,714
Half scale
Find third proportional to 14,200 and 30,856
Double scale
Find third proportional to 7,102 and 15,432
Similar ratio
Find third proportional to 10,650 and 23,142
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.