Home / 78,801.75-108,361.13

Finding the Third Proportional to 78,801.75 and 108,361.13

Calculator

Solution

The third proportional to 78,801.75 and 108,361.13 is: 149,008.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,801.75 : 108,361.13 = 108,361.13 : x
  2. Step 2: Convert to fraction form
    78,801.75/108,361.13 = 108,361.13/x
  3. Step 3: Cross multiply
    78,801.75x = 108,361.13 × 108,361.13
  4. Step 4: Simplify right side
    78,801.75x = 11,742,133,411.27
  5. Step 5: Solve for x
    x = 11,742,133,411.27/78,801.75
  6. Step 6: Final answer
    x = 149,008.54

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.