Home / 355,630-775,168

Finding the Third Proportional to 355,630 and 775,168

Calculator

Solution

The third proportional to 355,630 and 775,168 is: 1,689,636.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,630 : 775,168 = 775,168 : x
  2. Step 2: Convert to fraction form
    355,630/775,168 = 775,168/x
  3. Step 3: Cross multiply
    355,630x = 775,168 × 775,168
  4. Step 4: Simplify right side
    355,630x = 600,885,428,224
  5. Step 5: Solve for x
    x = 600,885,428,224/355,630
  6. Step 6: Final answer
    x = 1,689,636.50

Related Problems

Find third proportional to 177,815 and 387,584
Half scale
Find third proportional to 711,260 and 1,550,336
Double scale
Find third proportional to 355,632 and 775,172
Similar ratio
Find third proportional to 533,445 and 1,162,752
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.