Home / 379,242-812,460

Finding the Third Proportional to 379,242 and 812,460

Calculator

Solution

The third proportional to 379,242 and 812,460 is: 1,740,554.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,242 : 812,460 = 812,460 : x
  2. Step 2: Convert to fraction form
    379,242/812,460 = 812,460/x
  3. Step 3: Cross multiply
    379,242x = 812,460 × 812,460
  4. Step 4: Simplify right side
    379,242x = 660,091,251,600
  5. Step 5: Solve for x
    x = 660,091,251,600/379,242
  6. Step 6: Final answer
    x = 1,740,554.19

Related Problems

Find third proportional to 189,621 and 406,230
Half scale
Find third proportional to 758,484 and 1,624,920
Double scale
Find third proportional to 379,244 and 812,464
Similar ratio
Find third proportional to 568,863 and 1,218,690
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.