Home / 490,832-720,088

Finding the Third Proportional to 490,832 and 720,088

Calculator

Solution

The third proportional to 490,832 and 720,088 is: 1,056,424.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,832 : 720,088 = 720,088 : x
  2. Step 2: Convert to fraction form
    490,832/720,088 = 720,088/x
  3. Step 3: Cross multiply
    490,832x = 720,088 × 720,088
  4. Step 4: Simplify right side
    490,832x = 518,526,727,744
  5. Step 5: Solve for x
    x = 518,526,727,744/490,832
  6. Step 6: Final answer
    x = 1,056,424.05

Related Problems

Find third proportional to 245,416 and 360,044
Half scale
Find third proportional to 981,664 and 1,440,176
Double scale
Find third proportional to 490,834 and 720,091
Similar ratio
Find third proportional to 736,248 and 1,080,132
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.