Home / 357,811-484,218

Finding the Third Proportional to 357,811 and 484,218

Calculator

Solution

The third proportional to 357,811 and 484,218 is: 655,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,811 : 484,218 = 484,218 : x
  2. Step 2: Convert to fraction form
    357,811/484,218 = 484,218/x
  3. Step 3: Cross multiply
    357,811x = 484,218 × 484,218
  4. Step 4: Simplify right side
    357,811x = 234,467,071,524
  5. Step 5: Solve for x
    x = 234,467,071,524/357,811
  6. Step 6: Final answer
    x = 655,281.90

Related Problems

Find third proportional to 178,905.50 and 242,109
Half scale
Find third proportional to 715,622 and 968,436
Double scale
Find third proportional to 357,813 and 484,221
Similar ratio
Find third proportional to 536,716.50 and 726,327
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.