Home / 502-770.50

Finding the Third Proportional to 502 and 770.50

Calculator

Solution

The third proportional to 502 and 770.50 is: 1,182.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    502 : 770.50 = 770.50 : x
  2. Step 2: Convert to fraction form
    502/770.50 = 770.50/x
  3. Step 3: Cross multiply
    502x = 770.50 × 770.50
  4. Step 4: Simplify right side
    502x = 593,670.25
  5. Step 5: Solve for x
    x = 593,670.25/502
  6. Step 6: Final answer
    x = 1,182.61

Related Problems

Find third proportional to 251 and 385.25
Half scale
Find third proportional to 1,004 and 1,541
Double scale
Find third proportional to 504 and 774
Similar ratio
Find third proportional to 753 and 1,155.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.