Home / 308,932-676,908

Finding the Third Proportional to 308,932 and 676,908

Calculator

Solution

The third proportional to 308,932 and 676,908 is: 1,483,188.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,932 : 676,908 = 676,908 : x
  2. Step 2: Convert to fraction form
    308,932/676,908 = 676,908/x
  3. Step 3: Cross multiply
    308,932x = 676,908 × 676,908
  4. Step 4: Simplify right side
    308,932x = 458,204,440,464
  5. Step 5: Solve for x
    x = 458,204,440,464/308,932
  6. Step 6: Final answer
    x = 1,483,188.66

Related Problems

Find third proportional to 154,466 and 338,454
Half scale
Find third proportional to 617,864 and 1,353,816
Double scale
Find third proportional to 308,934 and 676,912
Similar ratio
Find third proportional to 463,398 and 1,015,362
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.