Home / 8,020-11,470

Finding the Third Proportional to 8,020 and 11,470

Calculator

Solution

The third proportional to 8,020 and 11,470 is: 16,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020 : 11,470 = 11,470 : x
  2. Step 2: Convert to fraction form
    8,020/11,470 = 11,470/x
  3. Step 3: Cross multiply
    8,020x = 11,470 × 11,470
  4. Step 4: Simplify right side
    8,020x = 131,560,900
  5. Step 5: Solve for x
    x = 131,560,900/8,020
  6. Step 6: Final answer
    x = 16,404.10

Related Problems

Find third proportional to 4,010 and 5,735
Half scale
Find third proportional to 16,040 and 22,940
Double scale
Find third proportional to 8,022 and 11,473
Similar ratio
Find third proportional to 12,030 and 17,205
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.