Home / 459-492.75

Finding the Third Proportional to 459 and 492.75

Calculator

Solution

The third proportional to 459 and 492.75 is: 528.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    459 : 492.75 = 492.75 : x
  2. Step 2: Convert to fraction form
    459/492.75 = 492.75/x
  3. Step 3: Cross multiply
    459x = 492.75 × 492.75
  4. Step 4: Simplify right side
    459x = 242,802.56
  5. Step 5: Solve for x
    x = 242,802.56/459
  6. Step 6: Final answer
    x = 528.98

Related Problems

Find third proportional to 229.50 and 246.38
Half scale
Find third proportional to 918 and 985.50
Double scale
Find third proportional to 461 and 495
Similar ratio
Find third proportional to 688.50 and 739.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.