Home / 286,760-445,816

Finding the Third Proportional to 286,760 and 445,816

Calculator

Solution

The third proportional to 286,760 and 445,816 is: 693,094.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,760 : 445,816 = 445,816 : x
  2. Step 2: Convert to fraction form
    286,760/445,816 = 445,816/x
  3. Step 3: Cross multiply
    286,760x = 445,816 × 445,816
  4. Step 4: Simplify right side
    286,760x = 198,751,905,856
  5. Step 5: Solve for x
    x = 198,751,905,856/286,760
  6. Step 6: Final answer
    x = 693,094.94

Related Problems

Find third proportional to 143,380 and 222,908
Half scale
Find third proportional to 573,520 and 891,632
Double scale
Find third proportional to 286,762 and 445,819
Similar ratio
Find third proportional to 430,140 and 668,724
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.