Home / 132,817-285,317

Finding the Third Proportional to 132,817 and 285,317

Calculator

Solution

The third proportional to 132,817 and 285,317 is: 612,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,817 : 285,317 = 285,317 : x
  2. Step 2: Convert to fraction form
    132,817/285,317 = 285,317/x
  3. Step 3: Cross multiply
    132,817x = 285,317 × 285,317
  4. Step 4: Simplify right side
    132,817x = 81,405,790,489
  5. Step 5: Solve for x
    x = 81,405,790,489/132,817
  6. Step 6: Final answer
    x = 612,916.95

Related Problems

Find third proportional to 66,408.50 and 142,658.50
Half scale
Find third proportional to 265,634 and 570,634
Double scale
Find third proportional to 132,819 and 285,321
Similar ratio
Find third proportional to 199,225.50 and 427,975.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.