Home / 6,440-9,437

Finding the Third Proportional to 6,440 and 9,437

Calculator

Solution

The third proportional to 6,440 and 9,437 is: 13,828.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440 : 9,437 = 9,437 : x
  2. Step 2: Convert to fraction form
    6,440/9,437 = 9,437/x
  3. Step 3: Cross multiply
    6,440x = 9,437 × 9,437
  4. Step 4: Simplify right side
    6,440x = 89,056,969
  5. Step 5: Solve for x
    x = 89,056,969/6,440
  6. Step 6: Final answer
    x = 13,828.72

Related Problems

Find third proportional to 3,220 and 4,718.50
Half scale
Find third proportional to 12,880 and 18,874
Double scale
Find third proportional to 6,442 and 9,440
Similar ratio
Find third proportional to 9,660 and 14,155.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.