Home / 10,020-11,160

Finding the Third Proportional to 10,020 and 11,160

Calculator

Solution

The third proportional to 10,020 and 11,160 is: 12,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020 : 11,160 = 11,160 : x
  2. Step 2: Convert to fraction form
    10,020/11,160 = 11,160/x
  3. Step 3: Cross multiply
    10,020x = 11,160 × 11,160
  4. Step 4: Simplify right side
    10,020x = 124,545,600
  5. Step 5: Solve for x
    x = 124,545,600/10,020
  6. Step 6: Final answer
    x = 12,429.70

Related Problems

Find third proportional to 5,010 and 5,580
Half scale
Find third proportional to 20,040 and 22,320
Double scale
Find third proportional to 10,022 and 11,162
Similar ratio
Find third proportional to 15,030 and 16,740
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.