Home / 219,161-296,989

Finding the Third Proportional to 219,161 and 296,989

Calculator

Solution

The third proportional to 219,161 and 296,989 is: 402,455.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,161 : 296,989 = 296,989 : x
  2. Step 2: Convert to fraction form
    219,161/296,989 = 296,989/x
  3. Step 3: Cross multiply
    219,161x = 296,989 × 296,989
  4. Step 4: Simplify right side
    219,161x = 88,202,466,121
  5. Step 5: Solve for x
    x = 88,202,466,121/219,161
  6. Step 6: Final answer
    x = 402,455.12

Related Problems

Find third proportional to 109,580.50 and 148,494.50
Half scale
Find third proportional to 438,322 and 593,978
Double scale
Find third proportional to 219,163 and 296,992
Similar ratio
Find third proportional to 328,741.50 and 445,483.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.