Home / 85,300-130,557

Finding the Third Proportional to 85,300 and 130,557

Calculator

Solution

The third proportional to 85,300 and 130,557 is: 199,825.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,300 : 130,557 = 130,557 : x
  2. Step 2: Convert to fraction form
    85,300/130,557 = 130,557/x
  3. Step 3: Cross multiply
    85,300x = 130,557 × 130,557
  4. Step 4: Simplify right side
    85,300x = 17,045,130,249
  5. Step 5: Solve for x
    x = 17,045,130,249/85,300
  6. Step 6: Final answer
    x = 199,825.68

Related Problems

Find third proportional to 42,650 and 65,278.50
Half scale
Find third proportional to 170,600 and 261,114
Double scale
Find third proportional to 85,302 and 130,560
Similar ratio
Find third proportional to 127,950 and 195,835.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.