Home / 91,176-137,985

Finding the Third Proportional to 91,176 and 137,985

Calculator

Solution

The third proportional to 91,176 and 137,985 is: 208,825.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,176 : 137,985 = 137,985 : x
  2. Step 2: Convert to fraction form
    91,176/137,985 = 137,985/x
  3. Step 3: Cross multiply
    91,176x = 137,985 × 137,985
  4. Step 4: Simplify right side
    91,176x = 19,039,860,225
  5. Step 5: Solve for x
    x = 19,039,860,225/91,176
  6. Step 6: Final answer
    x = 208,825.35

Related Problems

Find third proportional to 45,588 and 68,992.50
Half scale
Find third proportional to 182,352 and 275,970
Double scale
Find third proportional to 91,178 and 137,988
Similar ratio
Find third proportional to 136,764 and 206,977.50
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.