Home / 38,978-84,106

Finding the Third Proportional to 38,978 and 84,106

Calculator

Solution

The third proportional to 38,978 and 84,106 is: 181,482.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,978 : 84,106 = 84,106 : x
  2. Step 2: Convert to fraction form
    38,978/84,106 = 84,106/x
  3. Step 3: Cross multiply
    38,978x = 84,106 × 84,106
  4. Step 4: Simplify right side
    38,978x = 7,073,819,236
  5. Step 5: Solve for x
    x = 7,073,819,236/38,978
  6. Step 6: Final answer
    x = 181,482.36

Related Problems

Find third proportional to 19,489 and 42,053
Half scale
Find third proportional to 77,956 and 168,212
Double scale
Find third proportional to 38,980 and 84,110
Similar ratio
Find third proportional to 58,467 and 126,159
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.