Home / 349,672-728,864

Finding the Third Proportional to 349,672 and 728,864

Calculator

Solution

The third proportional to 349,672 and 728,864 is: 1,519,260.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,672 : 728,864 = 728,864 : x
  2. Step 2: Convert to fraction form
    349,672/728,864 = 728,864/x
  3. Step 3: Cross multiply
    349,672x = 728,864 × 728,864
  4. Step 4: Simplify right side
    349,672x = 531,242,730,496
  5. Step 5: Solve for x
    x = 531,242,730,496/349,672
  6. Step 6: Final answer
    x = 1,519,260.14

Related Problems

Find third proportional to 174,836 and 364,432
Half scale
Find third proportional to 699,344 and 1,457,728
Double scale
Find third proportional to 349,674 and 728,868
Similar ratio
Find third proportional to 524,508 and 1,093,296
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.