Home / 145,348-308,286

Finding the Third Proportional to 145,348 and 308,286

Calculator

Solution

The third proportional to 145,348 and 308,286 is: 653,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,348 : 308,286 = 308,286 : x
  2. Step 2: Convert to fraction form
    145,348/308,286 = 308,286/x
  3. Step 3: Cross multiply
    145,348x = 308,286 × 308,286
  4. Step 4: Simplify right side
    145,348x = 95,040,257,796
  5. Step 5: Solve for x
    x = 95,040,257,796/145,348
  6. Step 6: Final answer
    x = 653,880.74

Related Problems

Find third proportional to 72,674 and 154,143
Half scale
Find third proportional to 290,696 and 616,572
Double scale
Find third proportional to 145,350 and 308,290
Similar ratio
Find third proportional to 218,022 and 462,429
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.