Home / 130,503-279,954

Finding the Third Proportional to 130,503 and 279,954

Calculator

Solution

The third proportional to 130,503 and 279,954 is: 600,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,503 : 279,954 = 279,954 : x
  2. Step 2: Convert to fraction form
    130,503/279,954 = 279,954/x
  3. Step 3: Cross multiply
    130,503x = 279,954 × 279,954
  4. Step 4: Simplify right side
    130,503x = 78,374,242,116
  5. Step 5: Solve for x
    x = 78,374,242,116/130,503
  6. Step 6: Final answer
    x = 600,555.10

Related Problems

Find third proportional to 65,251.50 and 139,977
Half scale
Find third proportional to 261,006 and 559,908
Double scale
Find third proportional to 130,505 and 279,958
Similar ratio
Find third proportional to 195,754.50 and 419,931
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.