Home / 55,195-87,437

Finding the Third Proportional to 55,195 and 87,437

Calculator

Solution

The third proportional to 55,195 and 87,437 is: 138,513.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,195 : 87,437 = 87,437 : x
  2. Step 2: Convert to fraction form
    55,195/87,437 = 87,437/x
  3. Step 3: Cross multiply
    55,195x = 87,437 × 87,437
  4. Step 4: Simplify right side
    55,195x = 7,645,228,969
  5. Step 5: Solve for x
    x = 7,645,228,969/55,195
  6. Step 6: Final answer
    x = 138,513.07

Related Problems

Find third proportional to 27,597.50 and 43,718.50
Half scale
Find third proportional to 110,390 and 174,874
Double scale
Find third proportional to 55,197 and 87,440
Similar ratio
Find third proportional to 82,792.50 and 131,155.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.