Home / 53,505-82,803

Finding the Third Proportional to 53,505 and 82,803

Calculator

Solution

The third proportional to 53,505 and 82,803 is: 128,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,505 : 82,803 = 82,803 : x
  2. Step 2: Convert to fraction form
    53,505/82,803 = 82,803/x
  3. Step 3: Cross multiply
    53,505x = 82,803 × 82,803
  4. Step 4: Simplify right side
    53,505x = 6,856,336,809
  5. Step 5: Solve for x
    x = 6,856,336,809/53,505
  6. Step 6: Final answer
    x = 128,143.85

Related Problems

Find third proportional to 26,752.50 and 41,401.50
Half scale
Find third proportional to 107,010 and 165,606
Double scale
Find third proportional to 53,507 and 82,806
Similar ratio
Find third proportional to 80,257.50 and 124,204.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.