Home / 131,296-286,355

Finding the Third Proportional to 131,296 and 286,355

Calculator

Solution

The third proportional to 131,296 and 286,355 is: 624,536.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,296 : 286,355 = 286,355 : x
  2. Step 2: Convert to fraction form
    131,296/286,355 = 286,355/x
  3. Step 3: Cross multiply
    131,296x = 286,355 × 286,355
  4. Step 4: Simplify right side
    131,296x = 81,999,186,025
  5. Step 5: Solve for x
    x = 81,999,186,025/131,296
  6. Step 6: Final answer
    x = 624,536.82

Related Problems

Find third proportional to 65,648 and 143,177.50
Half scale
Find third proportional to 262,592 and 572,710
Double scale
Find third proportional to 131,298 and 286,359
Similar ratio
Find third proportional to 196,944 and 429,532.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.