Home / 17,139-25,890.75

Finding the Third Proportional to 17,139 and 25,890.75

Calculator

Solution

The third proportional to 17,139 and 25,890.75 is: 39,111.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,139 : 25,890.75 = 25,890.75 : x
  2. Step 2: Convert to fraction form
    17,139/25,890.75 = 25,890.75/x
  3. Step 3: Cross multiply
    17,139x = 25,890.75 × 25,890.75
  4. Step 4: Simplify right side
    17,139x = 670,330,935.56
  5. Step 5: Solve for x
    x = 670,330,935.56/17,139
  6. Step 6: Final answer
    x = 39,111.44

Related Problems

Find third proportional to 8,569.50 and 12,945.38
Half scale
Find third proportional to 34,278 and 51,781.50
Double scale
Find third proportional to 17,141 and 25,894
Similar ratio
Find third proportional to 25,708.50 and 38,836.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.