Home / 5,612-7,638

Finding the Third Proportional to 5,612 and 7,638

Calculator

Solution

The third proportional to 5,612 and 7,638 is: 10,395.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612 : 7,638 = 7,638 : x
  2. Step 2: Convert to fraction form
    5,612/7,638 = 7,638/x
  3. Step 3: Cross multiply
    5,612x = 7,638 × 7,638
  4. Step 4: Simplify right side
    5,612x = 58,339,044
  5. Step 5: Solve for x
    x = 58,339,044/5,612
  6. Step 6: Final answer
    x = 10,395.41

Related Problems

Find third proportional to 2,806 and 3,819
Half scale
Find third proportional to 11,224 and 15,276
Double scale
Find third proportional to 5,614 and 7,641
Similar ratio
Find third proportional to 8,418 and 11,457
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.