Home / 87,978-191,833

Finding the Third Proportional to 87,978 and 191,833

Calculator

Solution

The third proportional to 87,978 and 191,833 is: 418,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,978 : 191,833 = 191,833 : x
  2. Step 2: Convert to fraction form
    87,978/191,833 = 191,833/x
  3. Step 3: Cross multiply
    87,978x = 191,833 × 191,833
  4. Step 4: Simplify right side
    87,978x = 36,799,899,889
  5. Step 5: Solve for x
    x = 36,799,899,889/87,978
  6. Step 6: Final answer
    x = 418,285.25

Related Problems

Find third proportional to 43,989 and 95,916.50
Half scale
Find third proportional to 175,956 and 383,666
Double scale
Find third proportional to 87,980 and 191,837
Similar ratio
Find third proportional to 131,967 and 287,749.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.