Home / 17,970-38,382

Finding the Third Proportional to 17,970 and 38,382

Calculator

Solution

The third proportional to 17,970 and 38,382 is: 81,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,970 : 38,382 = 38,382 : x
  2. Step 2: Convert to fraction form
    17,970/38,382 = 38,382/x
  3. Step 3: Cross multiply
    17,970x = 38,382 × 38,382
  4. Step 4: Simplify right side
    17,970x = 1,473,177,924
  5. Step 5: Solve for x
    x = 1,473,177,924/17,970
  6. Step 6: Final answer
    x = 81,979.85

Related Problems

Find third proportional to 8,985 and 19,191
Half scale
Find third proportional to 35,940 and 76,764
Double scale
Find third proportional to 17,972 and 38,386
Similar ratio
Find third proportional to 26,955 and 57,573
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.