Home / 203,616-310,690

Finding the Third Proportional to 203,616 and 310,690

Calculator

Solution

The third proportional to 203,616 and 310,690 is: 474,070.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,616 : 310,690 = 310,690 : x
  2. Step 2: Convert to fraction form
    203,616/310,690 = 310,690/x
  3. Step 3: Cross multiply
    203,616x = 310,690 × 310,690
  4. Step 4: Simplify right side
    203,616x = 96,528,276,100
  5. Step 5: Solve for x
    x = 96,528,276,100/203,616
  6. Step 6: Final answer
    x = 474,070.19

Related Problems

Find third proportional to 101,808 and 155,345
Half scale
Find third proportional to 407,232 and 621,380
Double scale
Find third proportional to 203,618 and 310,693
Similar ratio
Find third proportional to 305,424 and 466,035
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.