Home / 203,836-432,340

Finding the Third Proportional to 203,836 and 432,340

Calculator

Solution

The third proportional to 203,836 and 432,340 is: 917,001.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,836 : 432,340 = 432,340 : x
  2. Step 2: Convert to fraction form
    203,836/432,340 = 432,340/x
  3. Step 3: Cross multiply
    203,836x = 432,340 × 432,340
  4. Step 4: Simplify right side
    203,836x = 186,917,875,600
  5. Step 5: Solve for x
    x = 186,917,875,600/203,836
  6. Step 6: Final answer
    x = 917,001.29

Related Problems

Find third proportional to 101,918 and 216,170
Half scale
Find third proportional to 407,672 and 864,680
Double scale
Find third proportional to 203,838 and 432,344
Similar ratio
Find third proportional to 305,754 and 648,510
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.