Home / 317,072-434,784

Finding the Third Proportional to 317,072 and 434,784

Calculator

Solution

The third proportional to 317,072 and 434,784 is: 596,196.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,072 : 434,784 = 434,784 : x
  2. Step 2: Convert to fraction form
    317,072/434,784 = 434,784/x
  3. Step 3: Cross multiply
    317,072x = 434,784 × 434,784
  4. Step 4: Simplify right side
    317,072x = 189,037,126,656
  5. Step 5: Solve for x
    x = 189,037,126,656/317,072
  6. Step 6: Final answer
    x = 596,196.22

Related Problems

Find third proportional to 158,536 and 217,392
Half scale
Find third proportional to 634,144 and 869,568
Double scale
Find third proportional to 317,074 and 434,787
Similar ratio
Find third proportional to 475,608 and 652,176
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.