Home / 7,070-14,815

Finding the Third Proportional to 7,070 and 14,815

Calculator

Solution

The third proportional to 7,070 and 14,815 is: 31,044.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070 : 14,815 = 14,815 : x
  2. Step 2: Convert to fraction form
    7,070/14,815 = 14,815/x
  3. Step 3: Cross multiply
    7,070x = 14,815 × 14,815
  4. Step 4: Simplify right side
    7,070x = 219,484,225
  5. Step 5: Solve for x
    x = 219,484,225/7,070
  6. Step 6: Final answer
    x = 31,044.44

Related Problems

Find third proportional to 3,535 and 7,407.50
Half scale
Find third proportional to 14,140 and 29,630
Double scale
Find third proportional to 7,072 and 14,819
Similar ratio
Find third proportional to 10,605 and 22,222.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.