Home / 346-423.25

Finding the Third Proportional to 346 and 423.25

Calculator

Solution

The third proportional to 346 and 423.25 is: 517.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    346 : 423.25 = 423.25 : x
  2. Step 2: Convert to fraction form
    346/423.25 = 423.25/x
  3. Step 3: Cross multiply
    346x = 423.25 × 423.25
  4. Step 4: Simplify right side
    346x = 179,140.56
  5. Step 5: Solve for x
    x = 179,140.56/346
  6. Step 6: Final answer
    x = 517.75

Related Problems

Find third proportional to 173 and 211.63
Half scale
Find third proportional to 692 and 846.50
Double scale
Find third proportional to 348 and 426
Similar ratio
Find third proportional to 519 and 634.88
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.