Home / 157,779-342,774

Finding the Third Proportional to 157,779 and 342,774

Calculator

Solution

The third proportional to 157,779 and 342,774 is: 744,674.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,779 : 342,774 = 342,774 : x
  2. Step 2: Convert to fraction form
    157,779/342,774 = 342,774/x
  3. Step 3: Cross multiply
    157,779x = 342,774 × 342,774
  4. Step 4: Simplify right side
    157,779x = 117,494,015,076
  5. Step 5: Solve for x
    x = 117,494,015,076/157,779
  6. Step 6: Final answer
    x = 744,674.61

Related Problems

Find third proportional to 78,889.50 and 171,387
Half scale
Find third proportional to 315,558 and 685,548
Double scale
Find third proportional to 157,781 and 342,778
Similar ratio
Find third proportional to 236,668.50 and 514,161
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.