Home / 381,552-828,768

Finding the Third Proportional to 381,552 and 828,768

Calculator

Solution

The third proportional to 381,552 and 828,768 is: 1,800,164.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,552 : 828,768 = 828,768 : x
  2. Step 2: Convert to fraction form
    381,552/828,768 = 828,768/x
  3. Step 3: Cross multiply
    381,552x = 828,768 × 828,768
  4. Step 4: Simplify right side
    381,552x = 686,856,397,824
  5. Step 5: Solve for x
    x = 686,856,397,824/381,552
  6. Step 6: Final answer
    x = 1,800,164.59

Related Problems

Find third proportional to 190,776 and 414,384
Half scale
Find third proportional to 763,104 and 1,657,536
Double scale
Find third proportional to 381,554 and 828,772
Similar ratio
Find third proportional to 572,328 and 1,243,152
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.