Home / 43,807-68,631

Finding the Third Proportional to 43,807 and 68,631

Calculator

Solution

The third proportional to 43,807 and 68,631 is: 107,521.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,807 : 68,631 = 68,631 : x
  2. Step 2: Convert to fraction form
    43,807/68,631 = 68,631/x
  3. Step 3: Cross multiply
    43,807x = 68,631 × 68,631
  4. Step 4: Simplify right side
    43,807x = 4,710,214,161
  5. Step 5: Solve for x
    x = 4,710,214,161/43,807
  6. Step 6: Final answer
    x = 107,521.95

Related Problems

Find third proportional to 21,903.50 and 34,315.50
Half scale
Find third proportional to 87,614 and 137,262
Double scale
Find third proportional to 43,809 and 68,634
Similar ratio
Find third proportional to 65,710.50 and 102,946.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.