Home / 273,048-427,408

Finding the Third Proportional to 273,048 and 427,408

Calculator

Solution

The third proportional to 273,048 and 427,408 is: 669,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,048 : 427,408 = 427,408 : x
  2. Step 2: Convert to fraction form
    273,048/427,408 = 427,408/x
  3. Step 3: Cross multiply
    273,048x = 427,408 × 427,408
  4. Step 4: Simplify right side
    273,048x = 182,677,598,464
  5. Step 5: Solve for x
    x = 182,677,598,464/273,048
  6. Step 6: Final answer
    x = 669,031.08

Related Problems

Find third proportional to 136,524 and 213,704
Half scale
Find third proportional to 546,096 and 854,816
Double scale
Find third proportional to 273,050 and 427,411
Similar ratio
Find third proportional to 409,572 and 641,112
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.