Home / 502.50-756.75

Finding the Third Proportional to 502.50 and 756.75

Calculator

Solution

The third proportional to 502.50 and 756.75 is: 1,139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.50 : 756.75 = 756.75 : x
  2. Step 2: Convert to fraction form
    502.50/756.75 = 756.75/x
  3. Step 3: Cross multiply
    502.50x = 756.75 × 756.75
  4. Step 4: Simplify right side
    502.50x = 572,670.56
  5. Step 5: Solve for x
    x = 572,670.56/502.50
  6. Step 6: Final answer
    x = 1,139.64

Related Problems

Find third proportional to 251.25 and 378.38
Half scale
Find third proportional to 1,005 and 1,513.50
Double scale
Find third proportional to 505 and 760
Similar ratio
Find third proportional to 753.75 and 1,135.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.