Home / 157,709-380,057

Finding the Third Proportional to 157,709 and 380,057

Calculator

Solution

The third proportional to 157,709 and 380,057 is: 915,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,709 : 380,057 = 380,057 : x
  2. Step 2: Convert to fraction form
    157,709/380,057 = 380,057/x
  3. Step 3: Cross multiply
    157,709x = 380,057 × 380,057
  4. Step 4: Simplify right side
    157,709x = 144,443,323,249
  5. Step 5: Solve for x
    x = 144,443,323,249/157,709
  6. Step 6: Final answer
    x = 915,885.10

Related Problems

Find third proportional to 78,854.50 and 190,028.50
Half scale
Find third proportional to 315,418 and 760,114
Double scale
Find third proportional to 157,711 and 380,062
Similar ratio
Find third proportional to 236,563.50 and 570,085.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.