Home / 27,978-62,172

Finding the Third Proportional to 27,978 and 62,172

Calculator

Solution

The third proportional to 27,978 and 62,172 is: 138,157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,978 : 62,172 = 62,172 : x
  2. Step 2: Convert to fraction form
    27,978/62,172 = 62,172/x
  3. Step 3: Cross multiply
    27,978x = 62,172 × 62,172
  4. Step 4: Simplify right side
    27,978x = 3,865,357,584
  5. Step 5: Solve for x
    x = 3,865,357,584/27,978
  6. Step 6: Final answer
    x = 138,157.04

Related Problems

Find third proportional to 13,989 and 31,086
Half scale
Find third proportional to 55,956 and 124,344
Double scale
Find third proportional to 27,980 and 62,176
Similar ratio
Find third proportional to 41,967 and 93,258
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.