Home / 151,117-317,749

Finding the Third Proportional to 151,117 and 317,749

Calculator

Solution

The third proportional to 151,117 and 317,749 is: 668,120.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,117 : 317,749 = 317,749 : x
  2. Step 2: Convert to fraction form
    151,117/317,749 = 317,749/x
  3. Step 3: Cross multiply
    151,117x = 317,749 × 317,749
  4. Step 4: Simplify right side
    151,117x = 100,964,427,001
  5. Step 5: Solve for x
    x = 100,964,427,001/151,117
  6. Step 6: Final answer
    x = 668,120.91

Related Problems

Find third proportional to 75,558.50 and 158,874.50
Half scale
Find third proportional to 302,234 and 635,498
Double scale
Find third proportional to 151,119 and 317,753
Similar ratio
Find third proportional to 226,675.50 and 476,623.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.