Home / 140,124-290,220

Finding the Third Proportional to 140,124 and 290,220

Calculator

Solution

The third proportional to 140,124 and 290,220 is: 601,093.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,124 : 290,220 = 290,220 : x
  2. Step 2: Convert to fraction form
    140,124/290,220 = 290,220/x
  3. Step 3: Cross multiply
    140,124x = 290,220 × 290,220
  4. Step 4: Simplify right side
    140,124x = 84,227,648,400
  5. Step 5: Solve for x
    x = 84,227,648,400/140,124
  6. Step 6: Final answer
    x = 601,093.66

Related Problems

Find third proportional to 70,062 and 145,110
Half scale
Find third proportional to 280,248 and 580,440
Double scale
Find third proportional to 140,126 and 290,224
Similar ratio
Find third proportional to 210,186 and 435,330
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.