Home / 54,658-81,988

Finding the Third Proportional to 54,658 and 81,988

Calculator

Solution

The third proportional to 54,658 and 81,988 is: 122,983.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,658 : 81,988 = 81,988 : x
  2. Step 2: Convert to fraction form
    54,658/81,988 = 81,988/x
  3. Step 3: Cross multiply
    54,658x = 81,988 × 81,988
  4. Step 4: Simplify right side
    54,658x = 6,722,032,144
  5. Step 5: Solve for x
    x = 6,722,032,144/54,658
  6. Step 6: Final answer
    x = 122,983.50

Related Problems

Find third proportional to 27,329 and 40,994
Half scale
Find third proportional to 109,316 and 163,976
Double scale
Find third proportional to 54,660 and 81,991
Similar ratio
Find third proportional to 81,987 and 122,982
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.