Home / 200,708-310,054

Finding the Third Proportional to 200,708 and 310,054

Calculator

Solution

The third proportional to 200,708 and 310,054 is: 478,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,708 : 310,054 = 310,054 : x
  2. Step 2: Convert to fraction form
    200,708/310,054 = 310,054/x
  3. Step 3: Cross multiply
    200,708x = 310,054 × 310,054
  4. Step 4: Simplify right side
    200,708x = 96,133,482,916
  5. Step 5: Solve for x
    x = 96,133,482,916/200,708
  6. Step 6: Final answer
    x = 478,971.85

Related Problems

Find third proportional to 100,354 and 155,027
Half scale
Find third proportional to 401,416 and 620,108
Double scale
Find third proportional to 200,710 and 310,057
Similar ratio
Find third proportional to 301,062 and 465,081
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.