Home / 211.50-526.50

Finding the Third Proportional to 211.50 and 526.50

Calculator

Solution

The third proportional to 211.50 and 526.50 is: 1,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    211.50 : 526.50 = 526.50 : x
  2. Step 2: Convert to fraction form
    211.50/526.50 = 526.50/x
  3. Step 3: Cross multiply
    211.50x = 526.50 × 526.50
  4. Step 4: Simplify right side
    211.50x = 277,202.25
  5. Step 5: Solve for x
    x = 277,202.25/211.50
  6. Step 6: Final answer
    x = 1,310.65

Related Problems

Find third proportional to 105.75 and 263.25
Half scale
Find third proportional to 423 and 1,053
Double scale
Find third proportional to 214 and 531
Similar ratio
Find third proportional to 317.25 and 789.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.