Home / 201,207-418,942

Finding the Third Proportional to 201,207 and 418,942

Calculator

Solution

The third proportional to 201,207 and 418,942 is: 872,297.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,207 : 418,942 = 418,942 : x
  2. Step 2: Convert to fraction form
    201,207/418,942 = 418,942/x
  3. Step 3: Cross multiply
    201,207x = 418,942 × 418,942
  4. Step 4: Simplify right side
    201,207x = 175,512,399,364
  5. Step 5: Solve for x
    x = 175,512,399,364/201,207
  6. Step 6: Final answer
    x = 872,297.68

Related Problems

Find third proportional to 100,603.50 and 209,471
Half scale
Find third proportional to 402,414 and 837,884
Double scale
Find third proportional to 201,209 and 418,946
Similar ratio
Find third proportional to 301,810.50 and 628,413
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.