Home / 15,536-20,700

Finding the Third Proportional to 15,536 and 20,700

Calculator

Solution

The third proportional to 15,536 and 20,700 is: 27,580.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536 : 20,700 = 20,700 : x
  2. Step 2: Convert to fraction form
    15,536/20,700 = 20,700/x
  3. Step 3: Cross multiply
    15,536x = 20,700 × 20,700
  4. Step 4: Simplify right side
    15,536x = 428,490,000
  5. Step 5: Solve for x
    x = 428,490,000/15,536
  6. Step 6: Final answer
    x = 27,580.46

Related Problems

Find third proportional to 7,768 and 10,350
Half scale
Find third proportional to 31,072 and 41,400
Double scale
Find third proportional to 15,538 and 20,703
Similar ratio
Find third proportional to 23,304 and 31,050
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.