Home / 211,616-288,176

Finding the Third Proportional to 211,616 and 288,176

Calculator

Solution

The third proportional to 211,616 and 288,176 is: 392,434.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,616 : 288,176 = 288,176 : x
  2. Step 2: Convert to fraction form
    211,616/288,176 = 288,176/x
  3. Step 3: Cross multiply
    211,616x = 288,176 × 288,176
  4. Step 4: Simplify right side
    211,616x = 83,045,406,976
  5. Step 5: Solve for x
    x = 83,045,406,976/211,616
  6. Step 6: Final answer
    x = 392,434.44

Related Problems

Find third proportional to 105,808 and 144,088
Half scale
Find third proportional to 423,232 and 576,352
Double scale
Find third proportional to 211,618 and 288,179
Similar ratio
Find third proportional to 317,424 and 432,264
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.