Home / 81,409-103,483

Finding the Third Proportional to 81,409 and 103,483

Calculator

Solution

The third proportional to 81,409 and 103,483 is: 131,542.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,409 : 103,483 = 103,483 : x
  2. Step 2: Convert to fraction form
    81,409/103,483 = 103,483/x
  3. Step 3: Cross multiply
    81,409x = 103,483 × 103,483
  4. Step 4: Simplify right side
    81,409x = 10,708,731,289
  5. Step 5: Solve for x
    x = 10,708,731,289/81,409
  6. Step 6: Final answer
    x = 131,542.35

Related Problems

Find third proportional to 40,704.50 and 51,741.50
Half scale
Find third proportional to 162,818 and 206,966
Double scale
Find third proportional to 81,411 and 103,486
Similar ratio
Find third proportional to 122,113.50 and 155,224.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.