Home / 181,488-280,386

Finding the Third Proportional to 181,488 and 280,386

Calculator

Solution

The third proportional to 181,488 and 280,386 is: 433,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,488 : 280,386 = 280,386 : x
  2. Step 2: Convert to fraction form
    181,488/280,386 = 280,386/x
  3. Step 3: Cross multiply
    181,488x = 280,386 × 280,386
  4. Step 4: Simplify right side
    181,488x = 78,616,308,996
  5. Step 5: Solve for x
    x = 78,616,308,996/181,488
  6. Step 6: Final answer
    x = 433,176.35

Related Problems

Find third proportional to 90,744 and 140,193
Half scale
Find third proportional to 362,976 and 560,772
Double scale
Find third proportional to 181,490 and 280,389
Similar ratio
Find third proportional to 272,232 and 420,579
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.