Home / 282,256-432,378

Finding the Third Proportional to 282,256 and 432,378

Calculator

Solution

The third proportional to 282,256 and 432,378 is: 662,344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,256 : 432,378 = 432,378 : x
  2. Step 2: Convert to fraction form
    282,256/432,378 = 432,378/x
  3. Step 3: Cross multiply
    282,256x = 432,378 × 432,378
  4. Step 4: Simplify right side
    282,256x = 186,950,734,884
  5. Step 5: Solve for x
    x = 186,950,734,884/282,256
  6. Step 6: Final answer
    x = 662,344.59

Related Problems

Find third proportional to 141,128 and 216,189
Half scale
Find third proportional to 564,512 and 864,756
Double scale
Find third proportional to 282,258 and 432,381
Similar ratio
Find third proportional to 423,384 and 648,567
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.