Home / 13,130-28,780

Finding the Third Proportional to 13,130 and 28,780

Calculator

Solution

The third proportional to 13,130 and 28,780 is: 63,083.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130 : 28,780 = 28,780 : x
  2. Step 2: Convert to fraction form
    13,130/28,780 = 28,780/x
  3. Step 3: Cross multiply
    13,130x = 28,780 × 28,780
  4. Step 4: Simplify right side
    13,130x = 828,288,400
  5. Step 5: Solve for x
    x = 828,288,400/13,130
  6. Step 6: Final answer
    x = 63,083.66

Related Problems

Find third proportional to 6,565 and 14,390
Half scale
Find third proportional to 26,260 and 57,560
Double scale
Find third proportional to 13,132 and 28,784
Similar ratio
Find third proportional to 19,695 and 43,170
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.