Home / 379,968-820,848

Finding the Third Proportional to 379,968 and 820,848

Calculator

Solution

The third proportional to 379,968 and 820,848 is: 1,773,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,968 : 820,848 = 820,848 : x
  2. Step 2: Convert to fraction form
    379,968/820,848 = 820,848/x
  3. Step 3: Cross multiply
    379,968x = 820,848 × 820,848
  4. Step 4: Simplify right side
    379,968x = 673,791,439,104
  5. Step 5: Solve for x
    x = 673,791,439,104/379,968
  6. Step 6: Final answer
    x = 1,773,284.70

Related Problems

Find third proportional to 189,984 and 410,424
Half scale
Find third proportional to 759,936 and 1,641,696
Double scale
Find third proportional to 379,970 and 820,852
Similar ratio
Find third proportional to 569,952 and 1,231,272
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.