Home / 187,515-381,993

Finding the Third Proportional to 187,515 and 381,993

Calculator

Solution

The third proportional to 187,515 and 381,993 is: 778,170.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,515 : 381,993 = 381,993 : x
  2. Step 2: Convert to fraction form
    187,515/381,993 = 381,993/x
  3. Step 3: Cross multiply
    187,515x = 381,993 × 381,993
  4. Step 4: Simplify right side
    187,515x = 145,918,652,049
  5. Step 5: Solve for x
    x = 145,918,652,049/187,515
  6. Step 6: Final answer
    x = 778,170.56

Related Problems

Find third proportional to 93,757.50 and 190,996.50
Half scale
Find third proportional to 375,030 and 763,986
Double scale
Find third proportional to 187,517 and 381,997
Similar ratio
Find third proportional to 281,272.50 and 572,989.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.