Home / 68,640.50-125,890.50

Finding the Third Proportional to 68,640.50 and 125,890.50

Calculator

Solution

The third proportional to 68,640.50 and 125,890.50 is: 230,890.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,640.50 : 125,890.50 = 125,890.50 : x
  2. Step 2: Convert to fraction form
    68,640.50/125,890.50 = 125,890.50/x
  3. Step 3: Cross multiply
    68,640.50x = 125,890.50 × 125,890.50
  4. Step 4: Simplify right side
    68,640.50x = 15,848,417,990.25
  5. Step 5: Solve for x
    x = 15,848,417,990.25/68,640.50
  6. Step 6: Final answer
    x = 230,890.19

Related Problems

Find third proportional to 34,320.25 and 62,945.25
Half scale
Find third proportional to 137,281 and 251,781
Double scale
Find third proportional to 68,643 and 125,894
Similar ratio
Find third proportional to 102,960.75 and 188,835.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.83) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.