Home / 99,148-216,348

Finding the Third Proportional to 99,148 and 216,348

Calculator

Solution

The third proportional to 99,148 and 216,348 is: 472,086.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,148 : 216,348 = 216,348 : x
  2. Step 2: Convert to fraction form
    99,148/216,348 = 216,348/x
  3. Step 3: Cross multiply
    99,148x = 216,348 × 216,348
  4. Step 4: Simplify right side
    99,148x = 46,806,457,104
  5. Step 5: Solve for x
    x = 46,806,457,104/99,148
  6. Step 6: Final answer
    x = 472,086.75

Related Problems

Find third proportional to 49,574 and 108,174
Half scale
Find third proportional to 198,296 and 432,696
Double scale
Find third proportional to 99,150 and 216,352
Similar ratio
Find third proportional to 148,722 and 324,522
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.