Home / 81,816-176,520

Finding the Third Proportional to 81,816 and 176,520

Calculator

Solution

The third proportional to 81,816 and 176,520 is: 380,846.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,816 : 176,520 = 176,520 : x
  2. Step 2: Convert to fraction form
    81,816/176,520 = 176,520/x
  3. Step 3: Cross multiply
    81,816x = 176,520 × 176,520
  4. Step 4: Simplify right side
    81,816x = 31,159,310,400
  5. Step 5: Solve for x
    x = 31,159,310,400/81,816
  6. Step 6: Final answer
    x = 380,846.17

Related Problems

Find third proportional to 40,908 and 88,260
Half scale
Find third proportional to 163,632 and 353,040
Double scale
Find third proportional to 81,818 and 176,524
Similar ratio
Find third proportional to 122,724 and 264,780
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.