Home / 5,286-7,120.50

Finding the Third Proportional to 5,286 and 7,120.50

Calculator

Solution

The third proportional to 5,286 and 7,120.50 is: 9,591.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286 : 7,120.50 = 7,120.50 : x
  2. Step 2: Convert to fraction form
    5,286/7,120.50 = 7,120.50/x
  3. Step 3: Cross multiply
    5,286x = 7,120.50 × 7,120.50
  4. Step 4: Simplify right side
    5,286x = 50,701,520.25
  5. Step 5: Solve for x
    x = 50,701,520.25/5,286
  6. Step 6: Final answer
    x = 9,591.66

Related Problems

Find third proportional to 2,643 and 3,560.25
Half scale
Find third proportional to 10,572 and 14,241
Double scale
Find third proportional to 5,288 and 7,123
Similar ratio
Find third proportional to 7,929 and 10,680.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.