Home / 54,659-84,288

Finding the Third Proportional to 54,659 and 84,288

Calculator

Solution

The third proportional to 54,659 and 84,288 is: 129,977.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,659 : 84,288 = 84,288 : x
  2. Step 2: Convert to fraction form
    54,659/84,288 = 84,288/x
  3. Step 3: Cross multiply
    54,659x = 84,288 × 84,288
  4. Step 4: Simplify right side
    54,659x = 7,104,466,944
  5. Step 5: Solve for x
    x = 7,104,466,944/54,659
  6. Step 6: Final answer
    x = 129,977.99

Related Problems

Find third proportional to 27,329.50 and 42,144
Half scale
Find third proportional to 109,318 and 168,576
Double scale
Find third proportional to 54,661 and 84,291
Similar ratio
Find third proportional to 81,988.50 and 126,432
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.