Home / 159,690-347,728.50

Finding the Third Proportional to 159,690 and 347,728.50

Calculator

Solution

The third proportional to 159,690 and 347,728.50 is: 757,186.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,690 : 347,728.50 = 347,728.50 : x
  2. Step 2: Convert to fraction form
    159,690/347,728.50 = 347,728.50/x
  3. Step 3: Cross multiply
    159,690x = 347,728.50 × 347,728.50
  4. Step 4: Simplify right side
    159,690x = 120,915,109,712.25
  5. Step 5: Solve for x
    x = 120,915,109,712.25/159,690
  6. Step 6: Final answer
    x = 757,186.48

Related Problems

Find third proportional to 79,845 and 173,864.25
Half scale
Find third proportional to 319,380 and 695,457
Double scale
Find third proportional to 159,692 and 347,733
Similar ratio
Find third proportional to 239,535 and 521,592.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.