Home / 479.25-742.50

Finding the Third Proportional to 479.25 and 742.50

Calculator

Solution

The third proportional to 479.25 and 742.50 is: 1,150.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    479.25 : 742.50 = 742.50 : x
  2. Step 2: Convert to fraction form
    479.25/742.50 = 742.50/x
  3. Step 3: Cross multiply
    479.25x = 742.50 × 742.50
  4. Step 4: Simplify right side
    479.25x = 551,306.25
  5. Step 5: Solve for x
    x = 551,306.25/479.25
  6. Step 6: Final answer
    x = 1,150.35

Related Problems

Find third proportional to 239.63 and 371.25
Half scale
Find third proportional to 958.50 and 1,485
Double scale
Find third proportional to 481 and 746
Similar ratio
Find third proportional to 718.88 and 1,113.75
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.