Home / 7,420-10,437

Finding the Third Proportional to 7,420 and 10,437

Calculator

Solution

The third proportional to 7,420 and 10,437 is: 14,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420 : 10,437 = 10,437 : x
  2. Step 2: Convert to fraction form
    7,420/10,437 = 10,437/x
  3. Step 3: Cross multiply
    7,420x = 10,437 × 10,437
  4. Step 4: Simplify right side
    7,420x = 108,930,969
  5. Step 5: Solve for x
    x = 108,930,969/7,420
  6. Step 6: Final answer
    x = 14,680.72

Related Problems

Find third proportional to 3,710 and 5,218.50
Half scale
Find third proportional to 14,840 and 20,874
Double scale
Find third proportional to 7,422 and 10,440
Similar ratio
Find third proportional to 11,130 and 15,655.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.