Home / 373.50-423

Finding the Third Proportional to 373.50 and 423

Calculator

Solution

The third proportional to 373.50 and 423 is: 479.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.50 : 423 = 423 : x
  2. Step 2: Convert to fraction form
    373.50/423 = 423/x
  3. Step 3: Cross multiply
    373.50x = 423 × 423
  4. Step 4: Simplify right side
    373.50x = 178,929
  5. Step 5: Solve for x
    x = 178,929/373.50
  6. Step 6: Final answer
    x = 479.06

Related Problems

Find third proportional to 186.75 and 211.50
Half scale
Find third proportional to 747 and 846
Double scale
Find third proportional to 376 and 425
Similar ratio
Find third proportional to 560.25 and 634.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.