Home / 356,878-484,445

Finding the Third Proportional to 356,878 and 484,445

Calculator

Solution

The third proportional to 356,878 and 484,445 is: 657,611.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,878 : 484,445 = 484,445 : x
  2. Step 2: Convert to fraction form
    356,878/484,445 = 484,445/x
  3. Step 3: Cross multiply
    356,878x = 484,445 × 484,445
  4. Step 4: Simplify right side
    356,878x = 234,686,958,025
  5. Step 5: Solve for x
    x = 234,686,958,025/356,878
  6. Step 6: Final answer
    x = 657,611.17

Related Problems

Find third proportional to 178,439 and 242,222.50
Half scale
Find third proportional to 713,756 and 968,890
Double scale
Find third proportional to 356,880 and 484,448
Similar ratio
Find third proportional to 535,317 and 726,667.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.