Home / 58,519-129,692

Finding the Third Proportional to 58,519 and 129,692

Calculator

Solution

The third proportional to 58,519 and 129,692 is: 287,428.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,519 : 129,692 = 129,692 : x
  2. Step 2: Convert to fraction form
    58,519/129,692 = 129,692/x
  3. Step 3: Cross multiply
    58,519x = 129,692 × 129,692
  4. Step 4: Simplify right side
    58,519x = 16,820,014,864
  5. Step 5: Solve for x
    x = 16,820,014,864/58,519
  6. Step 6: Final answer
    x = 287,428.27

Related Problems

Find third proportional to 29,259.50 and 64,846
Half scale
Find third proportional to 117,038 and 259,384
Double scale
Find third proportional to 58,521 and 129,696
Similar ratio
Find third proportional to 87,778.50 and 194,538
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.