Home / 81,372-118,326

Finding the Third Proportional to 81,372 and 118,326

Calculator

Solution

The third proportional to 81,372 and 118,326 is: 172,062.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,372 : 118,326 = 118,326 : x
  2. Step 2: Convert to fraction form
    81,372/118,326 = 118,326/x
  3. Step 3: Cross multiply
    81,372x = 118,326 × 118,326
  4. Step 4: Simplify right side
    81,372x = 14,001,042,276
  5. Step 5: Solve for x
    x = 14,001,042,276/81,372
  6. Step 6: Final answer
    x = 172,062.16

Related Problems

Find third proportional to 40,686 and 59,163
Half scale
Find third proportional to 162,744 and 236,652
Double scale
Find third proportional to 81,374 and 118,329
Similar ratio
Find third proportional to 122,058 and 177,489
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.