Home / 8,705-19,138

Finding the Third Proportional to 8,705 and 19,138

Calculator

Solution

The third proportional to 8,705 and 19,138 is: 42,075.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,705 : 19,138 = 19,138 : x
  2. Step 2: Convert to fraction form
    8,705/19,138 = 19,138/x
  3. Step 3: Cross multiply
    8,705x = 19,138 × 19,138
  4. Step 4: Simplify right side
    8,705x = 366,263,044
  5. Step 5: Solve for x
    x = 366,263,044/8,705
  6. Step 6: Final answer
    x = 42,075.02

Related Problems

Find third proportional to 4,352.50 and 9,569
Half scale
Find third proportional to 17,410 and 38,276
Double scale
Find third proportional to 8,707 and 19,142
Similar ratio
Find third proportional to 13,057.50 and 28,707
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.