Home / 308,864-676,776

Finding the Third Proportional to 308,864 and 676,776

Calculator

Solution

The third proportional to 308,864 and 676,776 is: 1,482,936.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,864 : 676,776 = 676,776 : x
  2. Step 2: Convert to fraction form
    308,864/676,776 = 676,776/x
  3. Step 3: Cross multiply
    308,864x = 676,776 × 676,776
  4. Step 4: Simplify right side
    308,864x = 458,025,754,176
  5. Step 5: Solve for x
    x = 458,025,754,176/308,864
  6. Step 6: Final answer
    x = 1,482,936.68

Related Problems

Find third proportional to 154,432 and 338,388
Half scale
Find third proportional to 617,728 and 1,353,552
Double scale
Find third proportional to 308,866 and 676,780
Similar ratio
Find third proportional to 463,296 and 1,015,164
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.