Home / 127,890-200,035.50

Finding the Third Proportional to 127,890 and 200,035.50

Calculator

Solution

The third proportional to 127,890 and 200,035.50 is: 312,879.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,890 : 200,035.50 = 200,035.50 : x
  2. Step 2: Convert to fraction form
    127,890/200,035.50 = 200,035.50/x
  3. Step 3: Cross multiply
    127,890x = 200,035.50 × 200,035.50
  4. Step 4: Simplify right side
    127,890x = 40,014,201,260.25
  5. Step 5: Solve for x
    x = 40,014,201,260.25/127,890
  6. Step 6: Final answer
    x = 312,879.83

Related Problems

Find third proportional to 63,945 and 100,017.75
Half scale
Find third proportional to 255,780 and 400,071
Double scale
Find third proportional to 127,892 and 200,039
Similar ratio
Find third proportional to 191,835 and 300,053.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.