Home / 156,930-201,495

Finding the Third Proportional to 156,930 and 201,495

Calculator

Solution

The third proportional to 156,930 and 201,495 is: 258,715.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,930 : 201,495 = 201,495 : x
  2. Step 2: Convert to fraction form
    156,930/201,495 = 201,495/x
  3. Step 3: Cross multiply
    156,930x = 201,495 × 201,495
  4. Step 4: Simplify right side
    156,930x = 40,600,235,025
  5. Step 5: Solve for x
    x = 40,600,235,025/156,930
  6. Step 6: Final answer
    x = 258,715.57

Related Problems

Find third proportional to 78,465 and 100,747.50
Half scale
Find third proportional to 313,860 and 402,990
Double scale
Find third proportional to 156,932 and 201,498
Similar ratio
Find third proportional to 235,395 and 302,242.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.