Home / 279,954-425,114

Finding the Third Proportional to 279,954 and 425,114

Calculator

Solution

The third proportional to 279,954 and 425,114 is: 645,541.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,954 : 425,114 = 425,114 : x
  2. Step 2: Convert to fraction form
    279,954/425,114 = 425,114/x
  3. Step 3: Cross multiply
    279,954x = 425,114 × 425,114
  4. Step 4: Simplify right side
    279,954x = 180,721,912,996
  5. Step 5: Solve for x
    x = 180,721,912,996/279,954
  6. Step 6: Final answer
    x = 645,541.46

Related Problems

Find third proportional to 139,977 and 212,557
Half scale
Find third proportional to 559,908 and 850,228
Double scale
Find third proportional to 279,956 and 425,117
Similar ratio
Find third proportional to 419,931 and 637,671
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.