Home / 91,005-137,781

Finding the Third Proportional to 91,005 and 137,781

Calculator

Solution

The third proportional to 91,005 and 137,781 is: 208,599.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,005 : 137,781 = 137,781 : x
  2. Step 2: Convert to fraction form
    91,005/137,781 = 137,781/x
  3. Step 3: Cross multiply
    91,005x = 137,781 × 137,781
  4. Step 4: Simplify right side
    91,005x = 18,983,603,961
  5. Step 5: Solve for x
    x = 18,983,603,961/91,005
  6. Step 6: Final answer
    x = 208,599.57

Related Problems

Find third proportional to 45,502.50 and 68,890.50
Half scale
Find third proportional to 182,010 and 275,562
Double scale
Find third proportional to 91,007 and 137,784
Similar ratio
Find third proportional to 136,507.50 and 206,671.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.