Home / 308,866-676,782

Finding the Third Proportional to 308,866 and 676,782

Calculator

Solution

The third proportional to 308,866 and 676,782 is: 1,482,953.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,866 : 676,782 = 676,782 : x
  2. Step 2: Convert to fraction form
    308,866/676,782 = 676,782/x
  3. Step 3: Cross multiply
    308,866x = 676,782 × 676,782
  4. Step 4: Simplify right side
    308,866x = 458,033,875,524
  5. Step 5: Solve for x
    x = 458,033,875,524/308,866
  6. Step 6: Final answer
    x = 1,482,953.37

Related Problems

Find third proportional to 154,433 and 338,391
Half scale
Find third proportional to 617,732 and 1,353,564
Double scale
Find third proportional to 308,868 and 676,786
Similar ratio
Find third proportional to 463,299 and 1,015,173
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.