Home / 4,810-7,619

Finding the Third Proportional to 4,810 and 7,619

Calculator

Solution

The third proportional to 4,810 and 7,619 is: 12,068.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810 : 7,619 = 7,619 : x
  2. Step 2: Convert to fraction form
    4,810/7,619 = 7,619/x
  3. Step 3: Cross multiply
    4,810x = 7,619 × 7,619
  4. Step 4: Simplify right side
    4,810x = 58,049,161
  5. Step 5: Solve for x
    x = 58,049,161/4,810
  6. Step 6: Final answer
    x = 12,068.43

Related Problems

Find third proportional to 2,405 and 3,809.50
Half scale
Find third proportional to 9,620 and 15,238
Double scale
Find third proportional to 4,812 and 7,622
Similar ratio
Find third proportional to 7,215 and 11,428.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.