Home / 379,917-829,818

Finding the Third Proportional to 379,917 and 829,818

Calculator

Solution

The third proportional to 379,917 and 829,818 is: 1,812,495.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,917 : 829,818 = 829,818 : x
  2. Step 2: Convert to fraction form
    379,917/829,818 = 829,818/x
  3. Step 3: Cross multiply
    379,917x = 829,818 × 829,818
  4. Step 4: Simplify right side
    379,917x = 688,597,913,124
  5. Step 5: Solve for x
    x = 688,597,913,124/379,917
  6. Step 6: Final answer
    x = 1,812,495.66

Related Problems

Find third proportional to 189,958.50 and 414,909
Half scale
Find third proportional to 759,834 and 1,659,636
Double scale
Find third proportional to 379,919 and 829,822
Similar ratio
Find third proportional to 569,875.50 and 1,244,727
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.