Home / 300,137-708,485

Finding the Third Proportional to 300,137 and 708,485

Calculator

Solution

The third proportional to 300,137 and 708,485 is: 1,672,406.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,137 : 708,485 = 708,485 : x
  2. Step 2: Convert to fraction form
    300,137/708,485 = 708,485/x
  3. Step 3: Cross multiply
    300,137x = 708,485 × 708,485
  4. Step 4: Simplify right side
    300,137x = 501,950,995,225
  5. Step 5: Solve for x
    x = 501,950,995,225/300,137
  6. Step 6: Final answer
    x = 1,672,406.25

Related Problems

Find third proportional to 150,068.50 and 354,242.50
Half scale
Find third proportional to 600,274 and 1,416,970
Double scale
Find third proportional to 300,139 and 708,490
Similar ratio
Find third proportional to 450,205.50 and 1,062,727.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.