Home / 245.25-348.63

Finding the Third Proportional to 245.25 and 348.63

Calculator

Solution

The third proportional to 245.25 and 348.63 is: 495.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.25 : 348.63 = 348.63 : x
  2. Step 2: Convert to fraction form
    245.25/348.63 = 348.63/x
  3. Step 3: Cross multiply
    245.25x = 348.63 × 348.63
  4. Step 4: Simplify right side
    245.25x = 121,539.39
  5. Step 5: Solve for x
    x = 121,539.39/245.25
  6. Step 6: Final answer
    x = 495.57

Related Problems

Find third proportional to 122.63 and 174.31
Half scale
Find third proportional to 490.50 and 697.25
Double scale
Find third proportional to 247 and 351
Similar ratio
Find third proportional to 367.88 and 522.94
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.