Home / 252,779-379,817

Finding the Third Proportional to 252,779 and 379,817

Calculator

Solution

The third proportional to 252,779 and 379,817 is: 570,699.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,779 : 379,817 = 379,817 : x
  2. Step 2: Convert to fraction form
    252,779/379,817 = 379,817/x
  3. Step 3: Cross multiply
    252,779x = 379,817 × 379,817
  4. Step 4: Simplify right side
    252,779x = 144,260,953,489
  5. Step 5: Solve for x
    x = 144,260,953,489/252,779
  6. Step 6: Final answer
    x = 570,699.91

Related Problems

Find third proportional to 126,389.50 and 189,908.50
Half scale
Find third proportional to 505,558 and 759,634
Double scale
Find third proportional to 252,781 and 379,820
Similar ratio
Find third proportional to 379,168.50 and 569,725.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.