Home / 314,482.50-418,990.50

Finding the Third Proportional to 314,482.50 and 418,990.50

Calculator

Solution

The third proportional to 314,482.50 and 418,990.50 is: 558,228.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,482.50 : 418,990.50 = 418,990.50 : x
  2. Step 2: Convert to fraction form
    314,482.50/418,990.50 = 418,990.50/x
  3. Step 3: Cross multiply
    314,482.50x = 418,990.50 × 418,990.50
  4. Step 4: Simplify right side
    314,482.50x = 175,553,039,090.25
  5. Step 5: Solve for x
    x = 175,553,039,090.25/314,482.50
  6. Step 6: Final answer
    x = 558,228.32

Related Problems

Find third proportional to 157,241.25 and 209,495.25
Half scale
Find third proportional to 628,965 and 837,981
Double scale
Find third proportional to 314,485 and 418,993
Similar ratio
Find third proportional to 471,723.75 and 628,485.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.