Home / 203,102-316,221

Finding the Third Proportional to 203,102 and 316,221

Calculator

Solution

The third proportional to 203,102 and 316,221 is: 492,342.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,102 : 316,221 = 316,221 : x
  2. Step 2: Convert to fraction form
    203,102/316,221 = 316,221/x
  3. Step 3: Cross multiply
    203,102x = 316,221 × 316,221
  4. Step 4: Simplify right side
    203,102x = 99,995,720,841
  5. Step 5: Solve for x
    x = 99,995,720,841/203,102
  6. Step 6: Final answer
    x = 492,342.37

Related Problems

Find third proportional to 101,551 and 158,110.50
Half scale
Find third proportional to 406,204 and 632,442
Double scale
Find third proportional to 203,104 and 316,224
Similar ratio
Find third proportional to 304,653 and 474,331.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.