Home / 216,302-322,658

Finding the Third Proportional to 216,302 and 322,658

Calculator

Solution

The third proportional to 216,302 and 322,658 is: 481,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,302 : 322,658 = 322,658 : x
  2. Step 2: Convert to fraction form
    216,302/322,658 = 322,658/x
  3. Step 3: Cross multiply
    216,302x = 322,658 × 322,658
  4. Step 4: Simplify right side
    216,302x = 104,108,184,964
  5. Step 5: Solve for x
    x = 104,108,184,964/216,302
  6. Step 6: Final answer
    x = 481,309.40

Related Problems

Find third proportional to 108,151 and 161,329
Half scale
Find third proportional to 432,604 and 645,316
Double scale
Find third proportional to 216,304 and 322,661
Similar ratio
Find third proportional to 324,453 and 483,987
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.