Home / 31,576-68,071

Finding the Third Proportional to 31,576 and 68,071

Calculator

Solution

The third proportional to 31,576 and 68,071 is: 146,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,576 : 68,071 = 68,071 : x
  2. Step 2: Convert to fraction form
    31,576/68,071 = 68,071/x
  3. Step 3: Cross multiply
    31,576x = 68,071 × 68,071
  4. Step 4: Simplify right side
    31,576x = 4,633,661,041
  5. Step 5: Solve for x
    x = 4,633,661,041/31,576
  6. Step 6: Final answer
    x = 146,746.30

Related Problems

Find third proportional to 15,788 and 34,035.50
Half scale
Find third proportional to 63,152 and 136,142
Double scale
Find third proportional to 31,578 and 68,075
Similar ratio
Find third proportional to 47,364 and 102,106.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.