Home / 71,812-153,399

Finding the Third Proportional to 71,812 and 153,399

Calculator

Solution

The third proportional to 71,812 and 153,399 is: 327,678.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,812 : 153,399 = 153,399 : x
  2. Step 2: Convert to fraction form
    71,812/153,399 = 153,399/x
  3. Step 3: Cross multiply
    71,812x = 153,399 × 153,399
  4. Step 4: Simplify right side
    71,812x = 23,531,253,201
  5. Step 5: Solve for x
    x = 23,531,253,201/71,812
  6. Step 6: Final answer
    x = 327,678.57

Related Problems

Find third proportional to 35,906 and 76,699.50
Half scale
Find third proportional to 143,624 and 306,798
Double scale
Find third proportional to 71,814 and 153,403
Similar ratio
Find third proportional to 107,718 and 230,098.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.