Home / 200,856-310,999.50

Finding the Third Proportional to 200,856 and 310,999.50

Calculator

Solution

The third proportional to 200,856 and 310,999.50 is: 481,542.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,856 : 310,999.50 = 310,999.50 : x
  2. Step 2: Convert to fraction form
    200,856/310,999.50 = 310,999.50/x
  3. Step 3: Cross multiply
    200,856x = 310,999.50 × 310,999.50
  4. Step 4: Simplify right side
    200,856x = 96,720,689,000.25
  5. Step 5: Solve for x
    x = 96,720,689,000.25/200,856
  6. Step 6: Final answer
    x = 481,542.44

Related Problems

Find third proportional to 100,428 and 155,499.75
Half scale
Find third proportional to 401,712 and 621,999
Double scale
Find third proportional to 200,858 and 311,003
Similar ratio
Find third proportional to 301,284 and 466,499.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.