Home / 478,936-697,343

Finding the Third Proportional to 478,936 and 697,343

Calculator

Solution

The third proportional to 478,936 and 697,343 is: 1,015,349.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,936 : 697,343 = 697,343 : x
  2. Step 2: Convert to fraction form
    478,936/697,343 = 697,343/x
  3. Step 3: Cross multiply
    478,936x = 697,343 × 697,343
  4. Step 4: Simplify right side
    478,936x = 486,287,259,649
  5. Step 5: Solve for x
    x = 486,287,259,649/478,936
  6. Step 6: Final answer
    x = 1,015,349.15

Related Problems

Find third proportional to 239,468 and 348,671.50
Half scale
Find third proportional to 957,872 and 1,394,686
Double scale
Find third proportional to 478,938 and 697,346
Similar ratio
Find third proportional to 718,404 and 1,046,014.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.