Home / 665,143.50-1,507,855

Finding the Third Proportional to 665,143.50 and 1,507,855

Calculator

Solution

The third proportional to 665,143.50 and 1,507,855 is: 3,418,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,143.50 : 1,507,855 = 1,507,855 : x
  2. Step 2: Convert to fraction form
    665,143.50/1,507,855 = 1,507,855/x
  3. Step 3: Cross multiply
    665,143.50x = 1,507,855 × 1,507,855
  4. Step 4: Simplify right side
    665,143.50x = 2,273,626,701,025
  5. Step 5: Solve for x
    x = 2,273,626,701,025/665,143.50
  6. Step 6: Final answer
    x = 3,418,249.90

Related Problems

Find third proportional to 332,571.75 and 753,927.50
Half scale
Find third proportional to 1,330,287 and 3,015,710
Double scale
Find third proportional to 665,146 and 1,507,860
Similar ratio
Find third proportional to 997,715.25 and 2,261,782.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.