Home / 43,040-87,808

Finding the Third Proportional to 43,040 and 87,808

Calculator

Solution

The third proportional to 43,040 and 87,808 is: 179,141.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,040 : 87,808 = 87,808 : x
  2. Step 2: Convert to fraction form
    43,040/87,808 = 87,808/x
  3. Step 3: Cross multiply
    43,040x = 87,808 × 87,808
  4. Step 4: Simplify right side
    43,040x = 7,710,244,864
  5. Step 5: Solve for x
    x = 7,710,244,864/43,040
  6. Step 6: Final answer
    x = 179,141.38

Related Problems

Find third proportional to 21,520 and 43,904
Half scale
Find third proportional to 86,080 and 175,616
Double scale
Find third proportional to 43,042 and 87,812
Similar ratio
Find third proportional to 64,560 and 131,712
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.