Home / 35,430-54,087

Finding the Third Proportional to 35,430 and 54,087

Calculator

Solution

The third proportional to 35,430 and 54,087 is: 82,568.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,430 : 54,087 = 54,087 : x
  2. Step 2: Convert to fraction form
    35,430/54,087 = 54,087/x
  3. Step 3: Cross multiply
    35,430x = 54,087 × 54,087
  4. Step 4: Simplify right side
    35,430x = 2,925,403,569
  5. Step 5: Solve for x
    x = 2,925,403,569/35,430
  6. Step 6: Final answer
    x = 82,568.55

Related Problems

Find third proportional to 17,715 and 27,043.50
Half scale
Find third proportional to 70,860 and 108,174
Double scale
Find third proportional to 35,432 and 54,090
Similar ratio
Find third proportional to 53,145 and 81,130.50
1.5x scale

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.