Home / 30,240-39,528

Finding the Third Proportional to 30,240 and 39,528

Calculator

Solution

The third proportional to 30,240 and 39,528 is: 51,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240 : 39,528 = 39,528 : x
  2. Step 2: Convert to fraction form
    30,240/39,528 = 39,528/x
  3. Step 3: Cross multiply
    30,240x = 39,528 × 39,528
  4. Step 4: Simplify right side
    30,240x = 1,562,462,784
  5. Step 5: Solve for x
    x = 1,562,462,784/30,240
  6. Step 6: Final answer
    x = 51,668.74

Related Problems

Find third proportional to 15,120 and 19,764
Half scale
Find third proportional to 60,480 and 79,056
Double scale
Find third proportional to 30,242 and 39,531
Similar ratio
Find third proportional to 45,360 and 59,292
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.