Home / 255,388-518,072

Finding the Third Proportional to 255,388 and 518,072

Calculator

Solution

The third proportional to 255,388 and 518,072 is: 1,050,944.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,388 : 518,072 = 518,072 : x
  2. Step 2: Convert to fraction form
    255,388/518,072 = 518,072/x
  3. Step 3: Cross multiply
    255,388x = 518,072 × 518,072
  4. Step 4: Simplify right side
    255,388x = 268,398,597,184
  5. Step 5: Solve for x
    x = 268,398,597,184/255,388
  6. Step 6: Final answer
    x = 1,050,944.43

Related Problems

Find third proportional to 127,694 and 259,036
Half scale
Find third proportional to 510,776 and 1,036,144
Double scale
Find third proportional to 255,390 and 518,076
Similar ratio
Find third proportional to 383,082 and 777,108
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.