Home / 490,600-719,745

Finding the Third Proportional to 490,600 and 719,745

Calculator

Solution

The third proportional to 490,600 and 719,745 is: 1,055,916.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,600 : 719,745 = 719,745 : x
  2. Step 2: Convert to fraction form
    490,600/719,745 = 719,745/x
  3. Step 3: Cross multiply
    490,600x = 719,745 × 719,745
  4. Step 4: Simplify right side
    490,600x = 518,032,865,025
  5. Step 5: Solve for x
    x = 518,032,865,025/490,600
  6. Step 6: Final answer
    x = 1,055,916.97

Related Problems

Find third proportional to 245,300 and 359,872.50
Half scale
Find third proportional to 981,200 and 1,439,490
Double scale
Find third proportional to 490,602 and 719,748
Similar ratio
Find third proportional to 735,900 and 1,079,617.50
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.