Home / 294.75-648

Finding the Third Proportional to 294.75 and 648

Calculator

Solution

The third proportional to 294.75 and 648 is: 1,424.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.75 : 648 = 648 : x
  2. Step 2: Convert to fraction form
    294.75/648 = 648/x
  3. Step 3: Cross multiply
    294.75x = 648 × 648
  4. Step 4: Simplify right side
    294.75x = 419,904
  5. Step 5: Solve for x
    x = 419,904/294.75
  6. Step 6: Final answer
    x = 1,424.61

Related Problems

Find third proportional to 147.38 and 324
Half scale
Find third proportional to 589.50 and 1,296
Double scale
Find third proportional to 297 and 652
Similar ratio
Find third proportional to 442.13 and 972
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.