Home / 255,208-391,733.75

Finding the Third Proportional to 255,208 and 391,733.75

Calculator

Solution

The third proportional to 255,208 and 391,733.75 is: 601,295.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,208 : 391,733.75 = 391,733.75 : x
  2. Step 2: Convert to fraction form
    255,208/391,733.75 = 391,733.75/x
  3. Step 3: Cross multiply
    255,208x = 391,733.75 × 391,733.75
  4. Step 4: Simplify right side
    255,208x = 153,455,330,889.06
  5. Step 5: Solve for x
    x = 153,455,330,889.06/255,208
  6. Step 6: Final answer
    x = 601,295.14

Related Problems

Find third proportional to 127,604 and 195,866.88
Half scale
Find third proportional to 510,416 and 783,467.50
Double scale
Find third proportional to 255,210 and 391,737
Similar ratio
Find third proportional to 382,812 and 587,600.63
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.