Home / 19,030-40,988

Finding the Third Proportional to 19,030 and 40,988

Calculator

Solution

The third proportional to 19,030 and 40,988 is: 88,282.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,030 : 40,988 = 40,988 : x
  2. Step 2: Convert to fraction form
    19,030/40,988 = 40,988/x
  3. Step 3: Cross multiply
    19,030x = 40,988 × 40,988
  4. Step 4: Simplify right side
    19,030x = 1,680,016,144
  5. Step 5: Solve for x
    x = 1,680,016,144/19,030
  6. Step 6: Final answer
    x = 88,282.51

Related Problems

Find third proportional to 9,515 and 20,494
Half scale
Find third proportional to 38,060 and 81,976
Double scale
Find third proportional to 19,032 and 40,992
Similar ratio
Find third proportional to 28,545 and 61,482
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.