Home / 255,408-404,224

Finding the Third Proportional to 255,408 and 404,224

Calculator

Solution

The third proportional to 255,408 and 404,224 is: 639,749.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,408 : 404,224 = 404,224 : x
  2. Step 2: Convert to fraction form
    255,408/404,224 = 404,224/x
  3. Step 3: Cross multiply
    255,408x = 404,224 × 404,224
  4. Step 4: Simplify right side
    255,408x = 163,397,042,176
  5. Step 5: Solve for x
    x = 163,397,042,176/255,408
  6. Step 6: Final answer
    x = 639,749.12

Related Problems

Find third proportional to 127,704 and 202,112
Half scale
Find third proportional to 510,816 and 808,448
Double scale
Find third proportional to 255,410 and 404,227
Similar ratio
Find third proportional to 383,112 and 606,336
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.