Home / 35,428-74,855

Finding the Third Proportional to 35,428 and 74,855

Calculator

Solution

The third proportional to 35,428 and 74,855 is: 158,159.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,428 : 74,855 = 74,855 : x
  2. Step 2: Convert to fraction form
    35,428/74,855 = 74,855/x
  3. Step 3: Cross multiply
    35,428x = 74,855 × 74,855
  4. Step 4: Simplify right side
    35,428x = 5,603,271,025
  5. Step 5: Solve for x
    x = 5,603,271,025/35,428
  6. Step 6: Final answer
    x = 158,159.39

Related Problems

Find third proportional to 17,714 and 37,427.50
Half scale
Find third proportional to 70,856 and 149,710
Double scale
Find third proportional to 35,430 and 74,859
Similar ratio
Find third proportional to 53,142 and 112,282.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.