Home / 300,078-651,678

Finding the Third Proportional to 300,078 and 651,678

Calculator

Solution

The third proportional to 300,078 and 651,678 is: 1,415,246.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,078 : 651,678 = 651,678 : x
  2. Step 2: Convert to fraction form
    300,078/651,678 = 651,678/x
  3. Step 3: Cross multiply
    300,078x = 651,678 × 651,678
  4. Step 4: Simplify right side
    300,078x = 424,684,215,684
  5. Step 5: Solve for x
    x = 424,684,215,684/300,078
  6. Step 6: Final answer
    x = 1,415,246.09

Related Problems

Find third proportional to 150,039 and 325,839
Half scale
Find third proportional to 600,156 and 1,303,356
Double scale
Find third proportional to 300,080 and 651,682
Similar ratio
Find third proportional to 450,117 and 977,517
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.