Home / 39,788-87,572

Finding the Third Proportional to 39,788 and 87,572

Calculator

Solution

The third proportional to 39,788 and 87,572 is: 192,742.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,788 : 87,572 = 87,572 : x
  2. Step 2: Convert to fraction form
    39,788/87,572 = 87,572/x
  3. Step 3: Cross multiply
    39,788x = 87,572 × 87,572
  4. Step 4: Simplify right side
    39,788x = 7,668,855,184
  5. Step 5: Solve for x
    x = 7,668,855,184/39,788
  6. Step 6: Final answer
    x = 192,742.92

Related Problems

Find third proportional to 19,894 and 43,786
Half scale
Find third proportional to 79,576 and 175,144
Double scale
Find third proportional to 39,790 and 87,576
Similar ratio
Find third proportional to 59,682 and 131,358
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.