Home / 131,069-279,303

Finding the Third Proportional to 131,069 and 279,303

Calculator

Solution

The third proportional to 131,069 and 279,303 is: 595,183.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,069 : 279,303 = 279,303 : x
  2. Step 2: Convert to fraction form
    131,069/279,303 = 279,303/x
  3. Step 3: Cross multiply
    131,069x = 279,303 × 279,303
  4. Step 4: Simplify right side
    131,069x = 78,010,165,809
  5. Step 5: Solve for x
    x = 78,010,165,809/131,069
  6. Step 6: Final answer
    x = 595,183.96

Related Problems

Find third proportional to 65,534.50 and 139,651.50
Half scale
Find third proportional to 262,138 and 558,606
Double scale
Find third proportional to 131,071 and 279,307
Similar ratio
Find third proportional to 196,603.50 and 418,954.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.