Home / 228,618-308,394

Finding the Third Proportional to 228,618 and 308,394

Calculator

Solution

The third proportional to 228,618 and 308,394 is: 416,007.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,618 : 308,394 = 308,394 : x
  2. Step 2: Convert to fraction form
    228,618/308,394 = 308,394/x
  3. Step 3: Cross multiply
    228,618x = 308,394 × 308,394
  4. Step 4: Simplify right side
    228,618x = 95,106,859,236
  5. Step 5: Solve for x
    x = 95,106,859,236/228,618
  6. Step 6: Final answer
    x = 416,007.75

Related Problems

Find third proportional to 114,309 and 154,197
Half scale
Find third proportional to 457,236 and 616,788
Double scale
Find third proportional to 228,620 and 308,397
Similar ratio
Find third proportional to 342,927 and 462,591
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.