Home / 84,402-131,787

Finding the Third Proportional to 84,402 and 131,787

Calculator

Solution

The third proportional to 84,402 and 131,787 is: 205,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,402 : 131,787 = 131,787 : x
  2. Step 2: Convert to fraction form
    84,402/131,787 = 131,787/x
  3. Step 3: Cross multiply
    84,402x = 131,787 × 131,787
  4. Step 4: Simplify right side
    84,402x = 17,367,813,369
  5. Step 5: Solve for x
    x = 17,367,813,369/84,402
  6. Step 6: Final answer
    x = 205,774.90

Related Problems

Find third proportional to 42,201 and 65,893.50
Half scale
Find third proportional to 168,804 and 263,574
Double scale
Find third proportional to 84,404 and 131,790
Similar ratio
Find third proportional to 126,603 and 197,680.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.