Home / 131,149.50-280,905.38

Finding the Third Proportional to 131,149.50 and 280,905.38

Calculator

Solution

The third proportional to 131,149.50 and 280,905.38 is: 601,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,149.50 : 280,905.38 = 280,905.38 : x
  2. Step 2: Convert to fraction form
    131,149.50/280,905.38 = 280,905.38/x
  3. Step 3: Cross multiply
    131,149.50x = 280,905.38 × 280,905.38
  4. Step 4: Simplify right side
    131,149.50x = 78,907,829,703.89
  5. Step 5: Solve for x
    x = 78,907,829,703.89/131,149.50
  6. Step 6: Final answer
    x = 601,663.21

Related Problems

Find third proportional to 65,574.75 and 140,452.69
Half scale
Find third proportional to 262,299 and 561,810.75
Double scale
Find third proportional to 131,152 and 280,910
Similar ratio
Find third proportional to 196,724.25 and 421,358.06
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.