Home / 529.50-819

Finding the Third Proportional to 529.50 and 819

Calculator

Solution

The third proportional to 529.50 and 819 is: 1,266.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.50 : 819 = 819 : x
  2. Step 2: Convert to fraction form
    529.50/819 = 819/x
  3. Step 3: Cross multiply
    529.50x = 819 × 819
  4. Step 4: Simplify right side
    529.50x = 670,761
  5. Step 5: Solve for x
    x = 670,761/529.50
  6. Step 6: Final answer
    x = 1,266.78

Related Problems

Find third proportional to 264.75 and 409.50
Half scale
Find third proportional to 1,059 and 1,638
Double scale
Find third proportional to 532 and 822
Similar ratio
Find third proportional to 794.25 and 1,228.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.