Home / 71,568-155,430

Finding the Third Proportional to 71,568 and 155,430

Calculator

Solution

The third proportional to 71,568 and 155,430 is: 337,559.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,568 : 155,430 = 155,430 : x
  2. Step 2: Convert to fraction form
    71,568/155,430 = 155,430/x
  3. Step 3: Cross multiply
    71,568x = 155,430 × 155,430
  4. Step 4: Simplify right side
    71,568x = 24,158,484,900
  5. Step 5: Solve for x
    x = 24,158,484,900/71,568
  6. Step 6: Final answer
    x = 337,559.87

Related Problems

Find third proportional to 35,784 and 77,715
Half scale
Find third proportional to 143,136 and 310,860
Double scale
Find third proportional to 71,570 and 155,434
Similar ratio
Find third proportional to 107,352 and 233,145
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.