Home / 66,490-144,056

Finding the Third Proportional to 66,490 and 144,056

Calculator

Solution

The third proportional to 66,490 and 144,056 is: 312,109.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,490 : 144,056 = 144,056 : x
  2. Step 2: Convert to fraction form
    66,490/144,056 = 144,056/x
  3. Step 3: Cross multiply
    66,490x = 144,056 × 144,056
  4. Step 4: Simplify right side
    66,490x = 20,752,131,136
  5. Step 5: Solve for x
    x = 20,752,131,136/66,490
  6. Step 6: Final answer
    x = 312,109.06

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.