Home / 470,312-720,660

Finding the Third Proportional to 470,312 and 720,660

Calculator

Solution

The third proportional to 470,312 and 720,660 is: 1,104,268.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,312 : 720,660 = 720,660 : x
  2. Step 2: Convert to fraction form
    470,312/720,660 = 720,660/x
  3. Step 3: Cross multiply
    470,312x = 720,660 × 720,660
  4. Step 4: Simplify right side
    470,312x = 519,350,835,600
  5. Step 5: Solve for x
    x = 519,350,835,600/470,312
  6. Step 6: Final answer
    x = 1,104,268.73

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.